REAL  is    set 
 
 NAT  is   epsilon-transitive   epsilon-connected   ordinal   non  empty  V18()  non  finite   cardinal   limit_cardinal   Element of K40(REAL)
 
K40(REAL) is    set 
 
 omega  is   epsilon-transitive   epsilon-connected   ordinal   non  empty  V18()  non  finite   cardinal   limit_cardinal   set 
 
K40(omega) is  V18()  non  finite   set 
 
K40(NAT) is  V18()  non  finite   set 
 
 {}  is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  set 
 
 the   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  set  is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  set 
 
1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
3 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 0  is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of  NAT 
 
 Seg 1 is   non  empty  V18()  finite  1 -element   Element of K40(NAT)
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 dom D is   finite   Element of K40(NAT)
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
 Seg a is   finite  a -element   Element of K40(NAT)
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg k is   finite  k -element   Element of K40(NAT)
 
f | (Seg k) is   Relation-like   NAT  -defined   Seg k -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg a is   finite  a -element   Element of K40(NAT)
 
f | (Seg a) is   Relation-like   NAT  -defined   Seg a -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg a is   finite  a -element   Element of K40(NAT)
 
f | (Seg a) is   Relation-like   NAT  -defined   Seg a -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D ^ a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 dom D is   finite   Element of K40(NAT)
 
 len D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg (len D) is   finite   len D -element   Element of K40(NAT)
 
f | (dom D) is   Relation-like   NAT  -defined   dom D -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D ^ a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len D) + (len a) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
D is    set 
 
<*D*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
f is    set 
 
<*f*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
 len <*D*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*f*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*D*> . 1 is    set 
 
D is   finite   set 
 
f is   finite   set 
 
 card D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
f \ D is   finite   Element of K40(f)
 
K40(f) is   finite  V37()  set 
 
 card (f \ D) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
(card f) - (card D) is   ext-real  V16() V20()  set 
 
D is   finite   set 
 
f is   finite   set 
 
 card D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
D is    set 
 
<*D*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
f is    set 
 
<*f*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
 len <*D*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*f*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*D*> . 1 is    set 
 
D is   finite   set 
 
f is   finite   set 
 
 card f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
D is    set 
 
<*D*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ <*D*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f ^ <*D*>) ^ k is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
<*D*> ^ k is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ (<*D*> ^ k) is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len (f ^ <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len (f ^ <*D*>)) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*D*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len f) + (len <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((len f) + (len <*D*>)) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len f) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((len f) + 1) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
D is    set 
 
<*D*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ <*D*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k ^ <*D*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ (k ^ <*D*>) is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len (a ^ <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len (a ^ <*D*>)) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*D*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((len a) + (len <*D*>)) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len a) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((len a) + 1) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
D is    set 
 
<*D*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ <*D*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len (a ^ <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len <*D*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len <*D*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len a) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len f) + (len D) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 rng D is   finite   set 
 
(rng D) *  is   non  empty   functional   FinSequence-membered   FinSequenceSet of  rng D
 
a is    set 
 
k is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 rng x is   finite   set 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg y is   finite  y -element   Element of K40(NAT)
 
D | (Seg y) is   Relation-like   NAT  -defined   Seg y -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
y is   Relation-like   NAT  -defined   rng D -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  rng D
 
f is    set 
 
a is    set 
 
k is    set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is    set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D is    set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len D is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
D is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(D) is    set 
 
({}) is    set 
 
 the    Element of ({}) is    Element of ({})
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
{{}} is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
f is    set 
 
<*f*> is   Relation-like   NAT  -defined   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   set 
 
(<*f*>) is    set 
 
a is    set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len <*f*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
a is    set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
(a) is    set 
 
k is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg x is   finite  x -element   Element of K40(NAT)
 
f | (Seg x) is   Relation-like   NAT  -defined   Seg x -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg y is   finite  y -element   Element of K40(NAT)
 
f | (Seg y) is   Relation-like   NAT  -defined   Seg y -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
k | (Seg x) is   Relation-like   NAT  -defined   Seg x -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
a | (Seg y) is   Relation-like   NAT  -defined   Seg y -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
NAT *  is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
f is    set 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(f) is    set 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ <*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ <*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 <*> NAT is   Relation-like   non-empty   empty-yielding   NAT  -defined   NAT  -valued   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  FinSequence of  NAT 
 
{(<*> NAT)} is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
f is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
f is    set 
 
a is   non  empty  ()  set 
 
f is   non  empty  ()  set 
 
a is    Element of f
 
f is   non  empty  ()  set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
(x) is    set 
 
(a) is    set 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   non  empty  ()  set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg (len f) is   finite   len f -element   Element of K40(NAT)
 
x | (Seg (len f)) is   Relation-like   NAT  -defined   Seg (len f) -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
 len x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len f) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
 dom f is   finite   Element of K40(NAT)
 
x . z is    set 
 
f . z is    set 
 
y . z is    set 
 
(x) is    set 
 
 <*> NAT is   Relation-like   non-empty   empty-yielding   NAT  -defined   NAT  -valued   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
 the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
{} ^ a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   non  empty  ()  set 
 
a is   non  empty  ()  set 
 
f \/ a is   non  empty   set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(x) is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x ^ <*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x ^ <*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f /\ a is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(x) is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x ^ <*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x ^ <*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
a is   non  empty  ()  set 
 
f \/ a is   non  empty  ()  set 
 
f is   non  empty  ()  set 
 
a is   non  empty  ()  set 
 
f /\ a is   non  empty  ()  set 
 
f is   non  empty   finite  ()  set 
 
a is   non  empty   finite  ()  set 
 
f \/ a is   non  empty   finite  ()  set 
 
a is   non  empty   finite  ()  set 
 
f is   non  empty  ()  set 
 
a /\ f is   non  empty   finite  ()  set 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   \/ {{}} is   non  empty   set 
 
k is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(k) is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k ^ <*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len <*x*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len k) + (len <*x*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*z*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len k) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*x*> . 1 is    set 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(f) is   non  empty  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   \/ {{}} is   non  empty   set 
 
f + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 Seg (f + 1) is   non  empty   finite  f + 1 -element   Element of K40(NAT)
 
k is    set 
 
x is    set 
 
y is    set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*z*> . 1 is    set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
k is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
y is    set 
 
z is    set 
 
x is    set 
 
y is    set 
 
x is    set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is    set 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is    set 
 
m + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
k is   Relation-like   Function-like   set 
 
 dom k is    set 
 
 rng k is    set 
 
x is    set 
 
k . x is    set 
 
y is    set 
 
k . y is    set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(z + 1) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(z + 1) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
y is    set 
 
k . y is    set 
 
1 + f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
<*z*> . 1 is    set 
 
<*x*> . 1 is    set 
 
z + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
1 + 0 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(z + 1) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k . {} is    set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
1 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
2 + z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(1 + 1) + x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
1 + x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
1 + (1 + x) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k . <*x*> is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 2 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*f*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(a) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not a <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not a <= b1  }   \/ {{}} is   non  empty   set 
 
(0) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not  0  <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not  0  <= b1  }   \/ {{}} is   non  empty   set 
 
 the    Element of  {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not  0  <= b1  }   is    Element of  {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not  0  <= b1  }  
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(f) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f <= b1  }   \/ {{}} is   non  empty   set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
K40(f) is    set 
 
a is    set 
 
k is    set 
 
k is    Element of K40(f)
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is    Element of K40(f)
 
k is    Element of K40(f)
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   non  empty   set 
 
y is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(y) is    set 
 
z is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg m is   finite  m -element   Element of K40(NAT)
 
y | (Seg m) is   Relation-like   NAT  -defined   Seg m -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg m is   finite  m -element   Element of K40(NAT)
 
y | (Seg m) is   Relation-like   NAT  -defined   Seg m -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a ^ x) ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y ^ <*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a ^ (y ^ <*z*>) is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a ^ y) ^ <*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a ^ y) ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   non  empty  ()  set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   non  empty  ()  set 
 
x is   non  empty  ()  set 
 
y is    set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
(f,(<*> NAT)) is   non  empty  ()  set 
 
a is    set 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  ((f,(<*> NAT)))
 
{} ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is    set 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
{} ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   non  empty   finite  ()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
(f,a) is   non  empty  ()  set 
 
k is   Relation-like   Function-like   set 
 
 rng k is    set 
 
 dom k is    set 
 
x is    set 
 
k . x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   Function-like   set 
 
 dom x is    set 
 
 rng x is    set 
 
y is    set 
 
z is    set 
 
x . z is    set 
 
k . z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ (<*> NAT) is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is    set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is    set 
 
k . x is    set 
 
x . x is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
(f) is    Element of K40(f)
 
K40(f) is    set 
 
 the    Element of (f) is    Element of (f)
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
f is   non  empty  ()  set 
 
 the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
(f, the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)) is   non  empty  ()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
k is   non  empty  ()  set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) :  not a c< b1  }   is    set 
 
 {  (a ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) :  not a c< b1  }   \/  {  (a ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
y is   non  empty   set 
 
z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(z) is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is    set 
 
m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
r is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ r is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
r ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ (r ^ m) is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 dom r is   finite   Element of K40(NAT)
 
 len r is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg (len r) is   finite   len r -element   Element of K40(NAT)
 
x | (dom r) is   Relation-like   NAT  -defined   dom r -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
t is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
r2 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ r2 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 dom m is   finite   Element of K40(NAT)
 
a | (dom m) is   Relation-like   NAT  -defined   dom m -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
r is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m ^ r is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 Seg (len m) is   finite   len m -element   Element of K40(NAT)
 
r is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
t is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
z ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
z ^ (m ^ m) is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
r is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
 len <*x*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len z) + (len <*x*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len z) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len <*x*> is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len z) + (len <*x*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len r is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
{} ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
{} ^ <*x*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite  {} + 1 -element   FinSequence-like   FinSubsequence-like   set 
 
{} + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
r is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ r is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ m is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
m ^ <*x*> is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ (m ^ <*x*>) is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 dom m is   finite   Element of K40(NAT)
 
 len m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg (len m) is   finite   len m -element   Element of K40(NAT)
 
m | (dom m) is   Relation-like   NAT  -defined   dom m -defined   NAT  -defined   NAT  -valued   Function-like   finite   FinSubsequence-like   set 
 
r is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
r ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
t is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ t is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   non  empty  ()  set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   non  empty  ()  set 
 
y is   non  empty  ()  set 
 
z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   non  empty  ()  set 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (a) :  not f c< b1  }   is    set 
 
k is   non  empty  ()  set 
 
(a,f,k) is   non  empty  ()  set 
 
 {  (f ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (a) :  not f c< b1  }   \/  {  (f ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
f ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (a)
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   non  empty  ()  set 
 
k is   non  empty  ()  set 
 
(a,f,k) is   non  empty  ()  set 
 
((a,f,k),f) is   non  empty  ()  set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ {} is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty   finite  ()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
k is   non  empty   finite  ()  set 
 
(f,a,k) is   non  empty  ()  set 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) :  not a c< b1  }   is    set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
 {  (a ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   Function-like   set 
 
 dom x is    set 
 
 rng x is    set 
 
y is    set 
 
x . y is    set 
 
z is    set 
 
x . z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is    set 
 
z is    set 
 
x . z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is    set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k)
 
a ^ z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x . z is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) :  not a c< b1  }   \/  {  (a ^ b1) where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (k) : b1 = b1  }   is    set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
 dom f is   finite   Element of K40(NAT)
 
a is    set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len k) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
a is   Relation-like   Function-like   set 
 
 dom a is    set 
 
 rng a is    set 
 
k is    set 
 
a . k is    set 
 
x is    set 
 
a . x is    set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len y) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len z) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
k is    set 
 
x is    set 
 
a . x is    set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len y) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 Seg (len f) is   finite   len f -element   Element of K40(NAT)
 
k is    set 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg (len f) is   finite   len f -element   Element of K40(NAT)
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
1 + y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 Seg z is   finite  z -element   Element of K40(NAT)
 
f | (Seg z) is   Relation-like   NAT  -defined   Seg z -defined   NAT  -defined   Function-like   finite   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a . x is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len x) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is    set 
 
 dom f is   finite   Element of K40(NAT)
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f) is   finite   set 
 
 card (f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 dom f is   finite   Element of K40(NAT)
 
 Seg (len f) is   finite   len f -element   Element of K40(NAT)
 
 card (dom f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card (len f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
f is    set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
{f} is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
a is    set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
{f,a} is   non  empty   functional   finite  V37()  set 
 
k is    set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   non  empty  ()  set 
 
 the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
{ the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)} is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
k is  ()  set 
 
x is    set 
 
f is   non  empty  ()  set 
 
a is    set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is  ()  set 
 
k is  ()  set 
 
x is    set 
 
f is   non  empty  ()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
{a} is   non  empty  V18()  functional   finite  V37() 1 -element   set 
 
k is  ()  set 
 
x is    set 
 
f is   non  empty  ()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
{a,k} is   non  empty   functional   finite  V37()  set 
 
x is  ()  set 
 
y is    set 
 
f is   non  empty   finite  ()  set 
 
a is  () (f)
 
f is   non  empty   finite  ()  set 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
 Seg a is   finite  a -element   Element of K40(NAT)
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(k) is   finite   set 
 
 dom k is   finite   Element of K40(NAT)
 
 card (k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
 card (dom k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card (Seg a) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 Seg (len k) is   finite   len k -element   Element of K40(NAT)
 
 card (Seg (len k)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
 the   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f) is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
x + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 card {} is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of  omega 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 card f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
k is   finite   set 
 
 card k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
 card (card f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
k is   finite   set 
 
 card k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
k is   finite   set 
 
 card k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
x is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
x is  ()  set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   finite  () (f)
 
 card y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
x is   finite  () (f)
 
 card x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   finite  () (f)
 
 card x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
y is   finite  () (f)
 
 card y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
f is   non  empty   finite  ()  set 
 
(f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 card {{}} is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
a is   finite  () (f)
 
 card a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
((0)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len (<*> NAT) is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of  NAT 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   non  empty   finite  ()  set 
 
(f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is    set 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is    set 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((f + 1)) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f + 1 <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f + 1 <= b1  }   \/ {{}} is   non  empty   set 
 
(((f + 1))) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*0*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
((0)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   finite  () ((0))
 
k is   finite  () ((0))
 
 card k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
x is   finite  () ((0))
 
 card x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
a is   finite  () ((0))
 
 card a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((f + 1)) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f + 1 <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not f + 1 <= b1  }   \/ {{}} is   non  empty   set 
 
(((f + 1))) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*y*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*z*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is  ()  set 
 
x is   finite  () (((f + 1)))
 
y is   finite  () (((f + 1)))
 
 Seg (f + 1) is   non  empty   finite  f + 1 -element   Element of K40(NAT)
 
z is    set 
 
x is    set 
 
x is    set 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
<*m*> . 1 is    set 
 
z is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
z is   Relation-like   Function-like   set 
 
 dom z is    set 
 
 rng z is    set 
 
x is    set 
 
z . x is    set 
 
x is    set 
 
z . x is    set 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
x is    set 
 
z . x is    set 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
m + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
<*m*> . 1 is    set 
 
<*m*> . 1 is    set 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
1 + m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
m is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*m*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z . <*m*> is    set 
 
r is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*r*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
r + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 card (Seg (f + 1)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
 card y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
z is   finite  () (((f + 1)))
 
x is    set 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 card {{}} is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  omega 
 
1 + f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
x is    set 
 
 card z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
k is   finite  () (((f + 1)))
 
 card k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  omega 
 
f is   non  empty   finite  ()  set 
 
(f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
(f,a) is   non  empty   finite  ()  set 
 
((f,a)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a ^ k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len (a ^ k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len k) + (len a) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   non  empty   finite  ()  set 
 
(f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
(f,a) is   non  empty   finite  ()  set 
 
((f,a)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
0 + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a ^ k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len (a ^ k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len k) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len k) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
((f,a)) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
a is   non  empty   finite  ()  set 
 
(a) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (a)
 
(a,x) is   non  empty   finite  ()  set 
 
((a,x)) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(a,<*k*>) is   non  empty  ()  set 
 
f is   non  empty   finite  ()  set 
 
(f) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ a is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(f ^ a) ^ x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f ^ (a ^ x) is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*f*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
<*a*> ^ k is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(<*a*> ^ k) . 1 is    set 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
<*f*> ^ x is   Relation-like   NAT  -defined   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
(1) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not 1 <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not 1 <= b1  }   \/ {{}} is   non  empty   set 
 
<*0*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
{{},<*0*>} is   non  empty   functional   finite  V37()  set 
 
f is    set 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*f*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(2) is   non  empty   finite  ()  set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not 2 <= b1  }   is    set 
 
 {  <*b1*> where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  :  not 2 <= b1  }   \/ {{}} is   non  empty   set 
 
<*1*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
{{},<*0*>,<*1*>} is   finite   set 
 
f is    set 
 
a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*a*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
(f) is    Element of K40(f)
 
K40(f) is    set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
a ^ <*0*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len y) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
<*x*> ^ z is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a ^ <*x*>) ^ z is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
f is   non  empty  ()  set 
 
(f) is    Element of K40(f)
 
K40(f) is    set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (f)
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ <*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ {} is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
k is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
a ^ x is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len a) + (len y) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
z is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
<*x*> ^ z is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a ^ <*x*>) ^ z is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
 {  (b1 |-> 0) where b1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT  : verum  }   is    set 
 
() is    set 
 
0 |-> 0 is   Relation-like   non-empty   empty-yielding   NAT  -defined   NAT  -valued   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   0  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of 0 -tuples_on NAT
 
0 -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 =  0   }   is    set 
 
 Seg 0 is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   0  -element   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of K40(NAT)
 
K166((Seg 0),0) is   Relation-like   non-empty   empty-yielding   NAT  -defined   Seg 0 -defined   Seg 0 -defined   NAT  -valued  {0} -valued   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional  V26( Seg 0) V26( Seg 0) V30( Seg 0,{0})  finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  Element of K40(K41((Seg 0),{0}))
 
{0} is   non  empty  V18()  functional   finite  V37() 1 -element  ()  set 
 
K41((Seg 0),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg 0),{0})) is   finite  V37()  set 
 
a is    set 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  k -element   FinSequence-like   FinSubsequence-like   Element of k -tuples_on NAT
 
k -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = k  }   is    set 
 
 Seg k is   finite  k -element   Element of K40(NAT)
 
K166((Seg k),0) is   Relation-like   NAT  -defined   Seg k -defined   Seg k -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg k) V26( Seg k) V30( Seg k,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg k),{0}))
 
K41((Seg k),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg k),{0})) is   finite  V37()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
(a) is   finite   set 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  k -element   FinSequence-like   FinSubsequence-like   Element of k -tuples_on NAT
 
k -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = k  }   is    set 
 
 Seg k is   finite  k -element   Element of K40(NAT)
 
K166((Seg k),0) is   Relation-like   NAT  -defined   Seg k -defined   Seg k -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg k) V26( Seg k) V30( Seg k,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg k),{0}))
 
K41((Seg k),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg k),{0})) is   finite  V37()  set 
 
x is    set 
 
y is   Relation-like   NAT  -defined   Function-like   finite   FinSequence-like   FinSubsequence-like   set 
 
 len y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len y) |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite   len y -element   FinSequence-like   FinSubsequence-like   Element of (len y) -tuples_on NAT
 
(len y) -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 =  len y  }   is    set 
 
 Seg (len y) is   finite   len y -element   Element of K40(NAT)
 
K166((Seg (len y)),0) is   Relation-like   NAT  -defined   Seg (len y) -defined   Seg (len y) -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg (len y)) V26( Seg (len y)) V30( Seg (len y),{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg (len y)),{0}))
 
K41((Seg (len y)),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg (len y)),{0})) is   finite  V37()  set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
y . z is    set 
 
((len y) |-> 0) . z is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  set 
 
 dom y is   finite   Element of K40(NAT)
 
a . z is    set 
 
 len ((len y) |-> 0) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ <*k*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
<*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty  V18()  Function-like   constant   finite  1 -element   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
a ^ <*x*> is   Relation-like   NAT  -defined   NAT  -valued   non  empty   Function-like   finite   FinSequence-like   FinSubsequence-like   FinSequence of  NAT 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
y |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  y -element   FinSequence-like   FinSubsequence-like   Element of y -tuples_on NAT
 
y -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = y  }   is    set 
 
 Seg y is   finite  y -element   Element of K40(NAT)
 
K166((Seg y),0) is   Relation-like   NAT  -defined   Seg y -defined   Seg y -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg y) V26( Seg y) V30( Seg y,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg y),{0}))
 
K41((Seg y),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg y),{0})) is   finite  V37()  set 
 
 len (a ^ <*k*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
 len a is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
(len a) + 1 is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(a ^ <*k*>) . (len (a ^ <*k*>)) is    set 
 
 len (a ^ <*x*>) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   positive   non  negative  V16()  non  empty  V20()  finite   cardinal   Element of  NAT 
 
(len (a ^ <*x*>)) |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite   len (a ^ <*x*>) -element   FinSequence-like   FinSubsequence-like   Element of (len (a ^ <*x*>)) -tuples_on NAT
 
(len (a ^ <*x*>)) -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 =  len (a ^ <*x*>)  }   is    set 
 
 Seg (len (a ^ <*x*>)) is   non  empty   finite   len (a ^ <*x*>) -element   Element of K40(NAT)
 
K166((Seg (len (a ^ <*x*>))),0) is   Relation-like   NAT  -defined   Seg (len (a ^ <*x*>)) -defined   Seg (len (a ^ <*x*>)) -defined   NAT  -valued  {0} -valued   non  empty   Function-like   constant  V26( Seg (len (a ^ <*x*>))) V26( Seg (len (a ^ <*x*>))) V30( Seg (len (a ^ <*x*>)),{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg (len (a ^ <*x*>))),{0}))
 
K41((Seg (len (a ^ <*x*>))),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg (len (a ^ <*x*>))),{0})) is   finite  V37()  set 
 
z is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   set 
 
((len (a ^ <*x*>)) |-> 0) . z is   Relation-like   non-empty   empty-yielding   NAT  -defined   epsilon-transitive   epsilon-connected   ordinal   T-Sequence-like   c=-linear   natural   ext-real   non  positive   non  negative  V16()  empty  V20()  Function-like   one-to-one   constant   functional   finite   finite-yielding  V37()  cardinal   {}  -element   FinSequence-like   FinSubsequence-like   FinSequence-membered  V44() V45()  set 
 
(a ^ <*x*>) . z is    set 
 
(a ^ <*k*>) . z is    set 
 
 len ((len (a ^ <*x*>)) |-> 0) is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  f -element   FinSequence-like   FinSubsequence-like   Element of f -tuples_on NAT
 
f -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = f  }   is    set 
 
 Seg f is   finite  f -element   Element of K40(NAT)
 
K166((Seg f),0) is   Relation-like   NAT  -defined   Seg f -defined   Seg f -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg f) V26( Seg f) V30( Seg f,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg f),{0}))
 
{0} is   non  empty  V18()  functional   finite  V37() 1 -element  ()  set 
 
K41((Seg f),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg f),{0})) is   finite  V37()  set 
 
a is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like  (())
 
K41(NAT,()) is   Relation-like  V18()  non  finite   set 
 
K40(K41(NAT,())) is  V18()  non  finite   set 
 
f is   Relation-like   NAT  -defined  () -valued   Function-like  V30( NAT ,())  Element of K40(K41(NAT,()))
 
 dom f is    set 
 
 rng f is    set 
 
a is    set 
 
k is    set 
 
f . a is    set 
 
f . k is    set 
 
x is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f . x is    Element of ()
 
x |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  x -element   FinSequence-like   FinSubsequence-like   Element of x -tuples_on NAT
 
x -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = x  }   is    set 
 
 Seg x is   finite  x -element   Element of K40(NAT)
 
K166((Seg x),0) is   Relation-like   NAT  -defined   Seg x -defined   Seg x -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg x) V26( Seg x) V30( Seg x,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg x),{0}))
 
{0} is   non  empty  V18()  functional   finite  V37() 1 -element  ()  set 
 
K41((Seg x),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg x),{0})) is   finite  V37()  set 
 
y is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
f . y is    Element of ()
 
y |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  y -element   FinSequence-like   FinSubsequence-like   Element of y -tuples_on NAT
 
y -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = y  }   is    set 
 
 Seg y is   finite  y -element   Element of K40(NAT)
 
K166((Seg y),0) is   Relation-like   NAT  -defined   Seg y -defined   Seg y -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg y) V26( Seg y) V30( Seg y,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg y),{0}))
 
K41((Seg y),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg y),{0})) is   finite  V37()  set 
 
a is    set 
 
k is   epsilon-transitive   epsilon-connected   ordinal   natural   ext-real   non  negative  V16() V20()  finite   cardinal   Element of  NAT 
 
k |-> 0 is   Relation-like   empty-yielding   NAT  -defined   NAT  -valued   Function-like   finite  k -element   FinSequence-like   FinSubsequence-like   Element of k -tuples_on NAT
 
k -tuples_on NAT is   non  empty   functional   FinSequence-membered   FinSequenceSet of  NAT 
 
 {  b1 where b1 is   Relation-like   NAT  -defined   NAT  -valued   Function-like   finite   FinSequence-like   FinSubsequence-like   Element of NAT *  :  len b1 = k  }   is    set 
 
 Seg k is   finite  k -element   Element of K40(NAT)
 
K166((Seg k),0) is   Relation-like   NAT  -defined   Seg k -defined   Seg k -defined   NAT  -valued  {0} -valued   Function-like   constant  V26( Seg k) V26( Seg k) V30( Seg k,{0})  finite   FinSequence-like   FinSubsequence-like  V44() V45()  Element of K40(K41((Seg k),{0}))
 
{0} is   non  empty  V18()  functional   finite  V37() 1 -element  ()  set 
 
K41((Seg k),{0}) is   Relation-like   finite   set 
 
K40(K41((Seg k),{0})) is   finite  V37()  set 
 
f . k is    Element of ()