:: PDIFF_4 semantic presentation

begin

theorem :: PDIFF_4:1
( dom (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & rng (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) & ( for x, y, z being ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) holds (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . <*x : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,y : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,z : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = x : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ;

theorem :: PDIFF_4:2
( dom (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & rng (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) & ( for x, y, z being ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) holds (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . <*x : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,y : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,z : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = y : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ;

theorem :: PDIFF_4:3
( dom (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & rng (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) & ( for x, y, z being ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) holds (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . <*x : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,y : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,z : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = z : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ;

begin

theorem :: PDIFF_4:4
for x, y, z being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x : ( ( ) ( V11() real ext-real ) Real) ,y : ( ( ) ( V11() real ext-real ) Real) ,z : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in x : ( ( ) ( V11() real ext-real ) Real) ;

theorem :: PDIFF_4:5
for x, y, z being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x : ( ( ) ( V11() real ext-real ) Real) ,y : ( ( ) ( V11() real ext-real ) Real) ,z : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in y : ( ( ) ( V11() real ext-real ) Real) ;

theorem :: PDIFF_4:6
for x, y, z being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x : ( ( ) ( V11() real ext-real ) Real) ,y : ( ( ) ( V11() real ext-real ) Real) ,z : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in z : ( ( ) ( V11() real ext-real ) Real) ;

theorem :: PDIFF_4:7
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in x0 : ( ( ) ( V11() real ext-real ) Real) ) iff f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ;

theorem :: PDIFF_4:8
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in y0 : ( ( ) ( V11() real ext-real ) Real) ) iff f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ;

theorem :: PDIFF_4:9
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_differentiable_in z0 : ( ( ) ( V11() real ext-real ) Real) ) iff f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ;

theorem :: PDIFF_4:10
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of x0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b1 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for x being ( ( ) ( V11() real ext-real ) Real) st x : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b1 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:11
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of y0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b2 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for y being ( ( ) ( V11() real ext-real ) Real) st y : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b2 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:12
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of z0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b3 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for z being ( ( ) ( V11() real ext-real ) Real) st z : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b3 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:13
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of x0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b3 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for x being ( ( ) ( V11() real ext-real ) Real) st x : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b3 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ;

theorem :: PDIFF_4:14
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of y0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b4 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for y being ( ( ) ( V11() real ext-real ) Real) st y : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b4 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ;

theorem :: PDIFF_4:15
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of z0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b5 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
for z being ( ( ) ( V11() real ext-real ) Real) st z : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b5 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ;

theorem :: PDIFF_4:16
for x0, y0, z0, r being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
( r : ( ( ) ( V11() real ext-real ) Real) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of x0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b7 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
( r : ( ( ) ( V11() real ext-real ) Real) = L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & ( for x being ( ( ) ( V11() real ext-real ) Real) st x : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b7 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (x : ( ( ) ( V11() real ext-real ) Real) - x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ) ) ;

theorem :: PDIFF_4:17
for x0, y0, z0, r being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
( r : ( ( ) ( V11() real ext-real ) Real) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of y0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b8 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
( r : ( ( ) ( V11() real ext-real ) Real) = L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & ( for y being ( ( ) ( V11() real ext-real ) Real) st y : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b8 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (y : ( ( ) ( V11() real ext-real ) Real) - y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ) ) ;

theorem :: PDIFF_4:18
for x0, y0, z0, r being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
( r : ( ( ) ( V11() real ext-real ) Real) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) iff ex x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real) st
( u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) & ex N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of z0 : ( ( ) ( V11() real ext-real ) Real) ) st
( N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b9 : ( ( ) ( V11() real ext-real ) Real) ) c= dom (SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) & ex L being ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) ex R being ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) st
( r : ( ( ) ( V11() real ext-real ) Real) = L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) & ( for z being ( ( ) ( V11() real ext-real ) Real) st z : ( ( ) ( V11() real ext-real ) Real) in N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of b9 : ( ( ) ( V11() real ext-real ) Real) ) holds
((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = (L : ( ( Function-like linear ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued linear ) LinearFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (R : ( ( Function-like RestFunc-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued RestFunc-like ) RestFunc) . (z : ( ( ) ( V11() real ext-real ) Real) - z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) ) ) ) ;

theorem :: PDIFF_4:19
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) holds
partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = diff ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

theorem :: PDIFF_4:20
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) holds
partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = diff ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

theorem :: PDIFF_4:21
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) holds
partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = diff ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let D be ( ( ) ( ) set ) ;
pred f is_partial_differentiable`1_on D means :: PDIFF_4:def 1
( D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) c= dom f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) | D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) );
pred f is_partial_differentiable`2_on D means :: PDIFF_4:def 2
( D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) c= dom f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) | D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) );
pred f is_partial_differentiable`3_on D means :: PDIFF_4:def 3
( D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) c= dom f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) | D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) );
end;

theorem :: PDIFF_4:22
for D being ( ( ) ( ) set )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`1_on D : ( ( ) ( ) set ) holds
( D : ( ( ) ( ) set ) c= dom f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( ) ( ) set ) holds
f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ) ;

theorem :: PDIFF_4:23
for D being ( ( ) ( ) set )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`2_on D : ( ( ) ( ) set ) holds
( D : ( ( ) ( ) set ) c= dom f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( ) ( ) set ) holds
f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ) ;

theorem :: PDIFF_4:24
for D being ( ( ) ( ) set )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`3_on D : ( ( ) ( ) set ) holds
( D : ( ( ) ( ) set ) c= dom f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( ) ( ) set ) holds
f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) ) ;

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let D be ( ( ) ( ) set ) ;
assume f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`1_on D : ( ( ) ( ) set ) ;
func f `partial1| D -> ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) means :: PDIFF_4:def 4
( dom it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) );
end;

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let D be ( ( ) ( ) set ) ;
assume f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`2_on D : ( ( ) ( ) set ) ;
func f `partial2| D -> ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) means :: PDIFF_4:def 5
( dom it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) );
end;

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let D be ( ( ) ( ) set ) ;
assume f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable`3_on D : ( ( ) ( ) set ) ;
func f `partial3| D -> ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) means :: PDIFF_4:def 6
( dom it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( functional FinSequence-membered ) Element of K6((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( ) set ) ) = D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) & ( for u being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) in D : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) holds
it : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,u : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) );
end;

begin

theorem :: PDIFF_4:25
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) c= dom (SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) holds
for h being ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence)
for c being ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) st rng c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = {((proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) } : ( ( ) ( V160() V161() V162() ) set ) & rng (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) c= N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is convergent & partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = lim ((h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:26
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) c= dom (SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) holds
for h being ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence)
for c being ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) st rng c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = {((proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) } : ( ( ) ( V160() V161() V162() ) set ) & rng (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) c= N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is convergent & partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = lim ((h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:27
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for N being ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) c= dom (SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) holds
for h being ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence)
for c being ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) st rng c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) = {((proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) } : ( ( ) ( V160() V161() V162() ) set ) & rng (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V160() V161() V162() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) c= N : ( ( ) ( open V160() V161() V162() ) Neighbourhood of (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . b2 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) holds
( (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is convergent & partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) = lim ((h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) ") : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) (#) (((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* (h : ( ( non-zero Function-like quasi_total 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent ) ( V1() V16() non-zero V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued 0 : ( ( ) ( epsilon-transitive epsilon-connected ordinal natural V11() real ext-real non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) -convergent convergent ) Real_Sequence) + c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - ((SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) /* c : ( ( Function-like constant quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like constant total quasi_total complex-valued ext-real-valued real-valued convergent ) Real_Sequence) ) : ( ( Function-like quasi_total ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7(NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:28
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f1, f2 being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) (#) f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ;

theorem :: PDIFF_4:29
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f1, f2 being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) (#) f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ;

theorem :: PDIFF_4:30
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f1, f2 being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) (#) f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ;

theorem :: PDIFF_4:31
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_continuous_in (proj (1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

theorem :: PDIFF_4:32
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_continuous_in (proj (2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

theorem :: PDIFF_4:33
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,)
for u0 being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
SVF1 (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) is_continuous_in (proj (3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( Function-like quasi_total ) ( V1() V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like total quasi_total complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . u0 : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

begin

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let p be ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
func grad (f,p) -> ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) equals :: PDIFF_4:def 7
(((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e1> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + ((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e2> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + ((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e3> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
end;

theorem :: PDIFF_4:34
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) holds grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = |[(partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,(partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,(partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ]| : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:35
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f, g being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
grad ((f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) + g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = (grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + (grad (g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:36
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f, g being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
grad ((f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) - g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = (grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) - (grad (g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:37
for r being ( ( ) ( V11() real ext-real ) Real)
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
grad ((r : ( ( ) ( V11() real ext-real ) Real) (#) f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = r : ( ( ) ( V11() real ext-real ) Real) * (grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:38
for s, t being ( ( ) ( V11() real ext-real ) Real)
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f, g being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
grad (((s : ( ( ) ( V11() real ext-real ) Real) (#) f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) + (t : ( ( ) ( V11() real ext-real ) Real) (#) g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = (s : ( ( ) ( V11() real ext-real ) Real) * (grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + (t : ( ( ) ( V11() real ext-real ) Real) * (grad (g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:39
for s, t being ( ( ) ( V11() real ext-real ) Real)
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f, g being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) & g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is_partial_differentiable_in p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) holds
grad (((s : ( ( ) ( V11() real ext-real ) Real) (#) f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) - (t : ( ( ) ( V11() real ext-real ) Real) (#) g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7((REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = (s : ( ( ) ( V11() real ext-real ) Real) * (grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) - (t : ( ( ) ( V11() real ext-real ) Real) * (grad (g : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;

theorem :: PDIFF_4:40
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is total & f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) is constant holds
grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = 0.REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( real-valued V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like ) Element of the U1 of (TOP-REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( V202() ) ( V66() V92() V117() V118() V119() V120() V121() V122() V123() V172() V202() V210() ) L20()) : ( ( ) ( ) set ) ) ;

definition
let a be ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
func unitvector a -> ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) equals :: PDIFF_4:def 8
|[((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt ((((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt ((((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt ((((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) . 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ]| : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
end;

definition
let f be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let p, a be ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
func Directiondiff (f,p,a) -> ( ( ) ( V11() real ext-real ) Real) equals :: PDIFF_4:def 9
(((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * ((unitvector a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) . 1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * ((unitvector a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) . 2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + ((partdiff (f : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * ((unitvector a : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) . 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;
end;

theorem :: PDIFF_4:41
for x0, y0, z0 being ( ( ) ( V11() real ext-real ) Real)
for a, p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) st a : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = <*x0 : ( ( ) ( V11() real ext-real ) Real) ,y0 : ( ( ) ( V11() real ext-real ) Real) ,z0 : ( ( ) ( V11() real ext-real ) Real) *> : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) set ) holds
Directiondiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,a : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Real) = ((((partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * x0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt (((x0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (y0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (z0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (((partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * y0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt (((x0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (y0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (z0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (((partdiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * z0 : ( ( ) ( V11() real ext-real ) Real) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) / (sqrt (((x0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (y0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) + (z0 : ( ( ) ( V11() real ext-real ) Real) ^2) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

theorem :: PDIFF_4:42
for p, a being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) holds Directiondiff (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,a : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V11() real ext-real ) Real) = |((grad (f : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,(unitvector a : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) )| : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ;

definition
let f1, f2, f3 be ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ;
let p be ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
func curl (f1,f2,f3,p) -> ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) equals :: PDIFF_4:def 10
((((partdiff (f3 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f2 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e1> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + (((partdiff (f1 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f3 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e2> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) + (((partdiff (f2 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f1 : ( ( Function-like ) ( V16() V19( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) Element of K6(K7(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ,REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( complex-valued ext-real-valued real-valued ) set ) ) : ( ( ) ( ) set ) ) ,p : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) * <e3> : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;
end;

theorem :: PDIFF_4:43
for p being ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) )
for f1, f2, f3 being ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) holds curl (f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,f3 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ) : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) = |[((partdiff (f3 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,((partdiff (f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f3 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ,((partdiff (f2 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,1 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) - (partdiff (f1 : ( ( Function-like ) ( V16() V19( REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued ) PartFunc of ,) ,p : ( ( ) ( V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ,2 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) )) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) : ( ( ) ( V11() real ext-real ) Element of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ]| : ( ( ) ( V1() V16() V19( NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) V20( REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) Function-like complex-valued ext-real-valued real-valued V54() V61(3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) ) FinSequence-like FinSubsequence-like ) Element of REAL 3 : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal natural V11() real ext-real positive non negative V136() V159() V160() V161() V162() V163() V164() V165() ) Element of NAT : ( ( ) ( V1() epsilon-transitive epsilon-connected ordinal V160() V161() V162() V163() V164() V165() V166() ) Element of K6(REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) : ( ( ) ( ) set ) ) ) : ( ( ) ( V1() functional FinSequence-membered ) FinSequenceSet of REAL : ( ( ) ( V1() V54() V160() V161() V162() V166() ) set ) ) ) ;