# Tagged Questions

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### Would intuitionistic refutation method imply permutation of premisses?

Dear All
In the classical refutation method, one searches for a proof of $\Gamma, \lnot A \vdash \bot$ instead of $\Gamma \vdash A$. The method works, i.e. is complete and correct, since it is for ...

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### How establish conversion of cut-free proof into uniform proof?

Dear All
Gentzen (*) claimed that through cut-elimination, he can normalize proofs. It is well known that cut-eliminated proofs might still contain some unnecessary noise. I am trying to show that ...