MoreChopImpMore

⊢ more ; f ⊃more MoreChopImpMore

Proof:

1
⊢ ( true) ; f ≡ (true ; f)
2
⊢ (true ; f) ⊃more
3
⊢ ( true ; f) ⊃more
1, 2,Prop
4
⊢ more ; f ⊃more
3, def. of more

qed

2024-08-03
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