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ChopEqvStateAndChop
⊢
f
≡
w
∧
f
1
⇒ ⊢
(
f
;
g
)
≡
w
∧
(
f
1
;
g
)
ChopEqvStateAndChop
Proof:
1
⊢
f
≡
w
∧
f
1
given
2
⊢
f
;
g
≡
(
w
∧
f
1
) ;
g
1
,
LeftChopEqvChop
3
⊢
(
w
∧
f
1
) ;
g
≡
w
∧
(
f
1
;
g
)
StateAndChop
4
⊢
(
f
;
g
)
≡
w
∧
(
f
1
;
g
)
2
,
3
,
EqvChain
qed
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2024-08-03
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