PP-2001-01: Complexity of Intuitionistic Predicate Logic with One Variable

PP-2001-01: Marx, Maarten (2001) Complexity of Intuitionistic Predicate Logic with One Variable. [Report]

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The validity problem for intuitionistic predicate logic with one variable is complete for the class of co--nexptime problems. This result holds for both constant and for expanding domains. The upper bound follows because every refutable formula can be refuted in a Kripke model whose size is exponential in the length of the formula. The lower bound is obtained by an encoding of the square tiling problem. Keyword(s): Intuitionistic logic, complexity, nexptime

Item Type: Report
Report Nr: PP-2001-01
Series Name: Prepublication (PP) Series
Year: 2001
Date Deposited: 12 Oct 2016 14:36
Last Modified: 12 Oct 2016 14:36
URI: https://eprints.illc.uva.nl/id/eprint/43

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