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StateAndDi
⊢
w
∧
f
≡
(
w
∧
f
)
StateAndDi
Proof:
1
⊢
w
∧
f
;
true
≡
(
w
∧
f
) ;
true
StateAndChop
2
⊢
w
∧
f
≡
(
w
∧
f
)
1
,
def. of
qed
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2023-09-12
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