:: ROLLE semantic presentation
theorem Th1: :: ROLLE:1
theorem Th2: :: ROLLE:2
theorem Th3: :: ROLLE:3
theorem Th4: :: ROLLE:4
theorem Th5: :: ROLLE:5
for
b1,
b2 being
Real st
b1 < b2 holds
for
b3,
b4 being
PartFunc of
REAL ,
REAL st
b3 is_continuous_on [.b1,b2.] &
b3 is_differentiable_on ].b1,b2.[ &
b4 is_continuous_on [.b1,b2.] &
b4 is_differentiable_on ].b1,b2.[ holds
ex
b5 being
Real st
(
b5 in ].b1,b2.[ &
((b3 . b2) - (b3 . b1)) * (diff b4,b5) = ((b4 . b2) - (b4 . b1)) * (diff b3,b5) )
theorem Th6: :: ROLLE:6
for
b1,
b2 being
Real st 0
< b2 holds
for
b3,
b4 being
PartFunc of
REAL ,
REAL st
b3 is_continuous_on [.b1,(b1 + b2).] &
b3 is_differentiable_on ].b1,(b1 + b2).[ &
b4 is_continuous_on [.b1,(b1 + b2).] &
b4 is_differentiable_on ].b1,(b1 + b2).[ & ( for
b5 being
Real st
b5 in ].b1,(b1 + b2).[ holds
diff b4,
b5 <> 0 ) holds
ex
b5 being
Real st
( 0
< b5 &
b5 < 1 &
((b3 . (b1 + b2)) - (b3 . b1)) / ((b4 . (b1 + b2)) - (b4 . b1)) = (diff b3,(b1 + (b5 * b2))) / (diff b4,(b1 + (b5 * b2))) )
theorem Th7: :: ROLLE:7
theorem Th8: :: ROLLE:8
for
b1,
b2 being
Real st
b1 < b2 holds
for
b3,
b4 being
PartFunc of
REAL ,
REAL st
b3 is_differentiable_on ].b1,b2.[ &
b4 is_differentiable_on ].b1,b2.[ & ( for
b5 being
Real st
b5 in ].b1,b2.[ holds
diff b3,
b5 = diff b4,
b5 ) holds
(
b3 - b4 is_constant_on ].b1,b2.[ & ex
b5 being
Real st
for
b6 being
Real st
b6 in ].b1,b2.[ holds
b3 . b6 = (b4 . b6) + b5 )
theorem Th9: :: ROLLE:9
theorem Th10: :: ROLLE:10
theorem Th11: :: ROLLE:11
theorem Th12: :: ROLLE:12