A Note on the Complexity of Classical and Intuitionistic Proofs

Matthias Baaz 1 Alexander Leitsch 1 Giselle Reis 2
1 TU WIEN - Technical University of Vienna [Vienna]
2 PARSIFAL - Proof search and reasoning with logic specifications
LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau], Inria Saclay - Ile de France
Abstract : —We show an effective cut-free variant of Glivenko's theorem extended to formulas with weak quantifiers (those without eigenvariable conditions): " There is an elementary function f such that if ϕ is a cut-free LK proof of A with symbol complexity ≤ c, then there exists a cut-free LJ proof of ¬¬A with symbol complexity ≤ f (c) ". This follows from the more general result: " There is an elementary function f such that if ϕ is a cut-free LK proof of A with symbol complexity ≤ c, then there exists a cut-free LJ proof of A with symbol complexity ≤ f (c) ". The result is proved using a suitable variant of cut-elimination by resolution (CERES) and subsumption.
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Communication dans un congrès
LICS 2015 - 30th Annual ACM/IEEE Symposium on Logic in Computer Science, Jul 2015, Kyoto, Japan. pp.657 - 666, 2015, 〈10.1109/LICS.2015.66〉
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Matthias Baaz, Alexander Leitsch, Giselle Reis. A Note on the Complexity of Classical and Intuitionistic Proofs. LICS 2015 - 30th Annual ACM/IEEE Symposium on Logic in Computer Science, Jul 2015, Kyoto, Japan. pp.657 - 666, 2015, 〈10.1109/LICS.2015.66〉. 〈hal-01208346〉

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