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DiMoreEqvMore

⊢ more ≡more DiMoreEqvMore

Proof for ⊃ :

1
⊢ ( skip) ≡true
DiNext
2
⊢ skip ⊃more
PTL
3
⊢ skip ⊃more
1, 2,ImpChain
4
⊢ more ⊃more
3, def. of more

qed

Proof of ⊂:

1
⊢ more ⊃more
ImpDi

qed

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2023-09-12
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