CSMoreNotImpChopCSAndMore

⊢ f∗∧more ∧¬f ⊃ (f ∧more) ; (f∗∧more) CSMoreNotImpChopCSAndMore

Proof:

1
⊢ f∗∧more ≡ (f ∧more) ; f∗
2
⊢ empty ∨more
3
⊢ f∗⊃empty ∨ (f∗∧more)
2,Prop
4
⊢ (f ∧more) ; f∗⊃ (f ∧more) ∨ ((f ∧more) ; (f∗∧more))
5
⊢ (f ∧more) ; f∗∧more ∧¬f ⊃ (f ∧more) ; (f∗∧more)
4,Prop
6
⊢ f∗∧more ∧¬f ⊃ (f ∧more) ; (f∗∧more)
1, 5,Prop

qed

2024-08-03
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