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StateAndDf
⊢
(
w
∧
f
)
≡
w
∧
f
StateAndDf
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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