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Gentzen-type formulation of the prepositional logic LQ

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Abstract

We give a Gentzen-type formulation GQ for the intermediate logic LQ and prove the cut-elimination theorem on it, where LQ is the propositional logic obtained from the intuitionistic propositional logic LI by adding the axioms of the form ℸ AV ℸℸ A.

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References

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Hosoi, T. Gentzen-type formulation of the prepositional logic LQ . Stud Logica 47, 41–48 (1988). https://doi.org/10.1007/BF00374051

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