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FBoxImpNowAndWeakNext
⊢
f
⊃
f
∧
f
FBoxImpNowAndWeakNext
Proof:
1
f
⊃
f
BoxImpNow
2
f
⊃
f
FBoxImpWeakNextBox
3
f
⊃
f
∧
f
1
,
2
,
Prop
qed
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2024-08-03
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