Next
Prev
Up
DfOrEqv
⊢
(
f
∨
g
)
≡
f
∨
g
DfOrEqv
Proof:
1
(
f
∨
g
)
⌢
true
≡
(
f ⌢
true
)
∨
(
g ⌢
true
)
OrChopEqv
2
(
f
∨
g
)
≡
f
∨
g
1
,
def. of
qed
Next
Prev
Up
2024-08-03
Contact
|
Home
|
ITL home
|
Course
|
Proofs
|
Algebra
|
FL
© 1996-2024