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ChopAndNotChopImp
⊢
f ⌢ g
∧¬
(
f ⌢ g
1
)
⊃
f ⌢
(
g
∧¬
g
1
)
ChopAndNotChopImp
Proof:
1
g
⊃
(
g
∧¬
g
1
)
∨
g
1
Prop
2
f ⌢ g
⊃
f ⌢
(
g
∧¬
g
1
)
∨
f ⌢ g
1
1
,
LeftChopImpChop
3
f ⌢ g
∧¬
(
f ⌢ g
1
)
⊃
f ⌢
(
g
∧¬
g
1
)
2
,
Prop
qed
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2024-08-03
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