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Fails to prove Dummett's formula #3

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joom opened this issue Jul 9, 2020 · 1 comment

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joom commented Jul 9, 2020

~$ wang --sequent "[] |- [(a -> b)|(b -> a)]" --backend Text
Before: [] ⊢ [((a) ⊃ (b)) ∨ ((b) ⊃ (a))]
Rule:   OrRight
-------------------
Before: [] ⊢ [(a) ⊃ (b),(b) ⊃ (a)]
Rule:   ImpliesRight
-------------------
End.
This cannot be proved.

(reported by @joseph-vidal-rosset)

The text was updated successfully, but these errors were encountered:

joseph-vidal-rosset commented Jul 9, 2020

Independently of this incompleteness of your prover, this is a very nice work.

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