Next
Prev
Up
LeftYieldsEqvYields
⊢
f
≡
f
1
⇒ ⊢
(
f
g
)
≡
(
f
1
g
)
LeftYieldsEqvYields
Proof:
1
⊢
f
≡
f
1
given
2
⊢
f
;
¬
g
≡
f
1
;
¬
g
1
,
LeftChopEqvChop
3
⊢ ¬
(
f
;
¬
g
)
≡¬
(
f
1
;
¬
g
)
2
,
Prop
4
⊢
f
g
≡
f
1
g
3
,
def. of
qed
Next
Prev
Up
2024-08-03
Contact
|
Home
|
ITL home
|
Course
|
Proofs
|
Algebra
|
FL
© 1996-2024