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Characterizing the NP-PSPACE Gap in the Satisfiability Problem for Modal Logic

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Publication:5427258
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DOI10.1093/logcom/exm029zbMath1126.03024arXivcs/0603019OpenAlexW2287532945MaRDI QIDQ5427258

Leandros Chaves Rêgo, Joseph Y. Halpern

Publication date: 19 November 2007

Published in: Journal of Logic and Computation (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cs/0603019


zbMATH Keywords

knowledge representationPSPACEnegative introspectionS5NPEuclidean propertyK5


Mathematics Subject Classification ID

Analysis of algorithms and problem complexity (68Q25) Modal logic (including the logic of norms) (03B45) Knowledge representation (68T30) Complexity of computation (including implicit computational complexity) (03D15) Computational difficulty of problems (lower bounds, completeness, difficulty of approximation, etc.) (68Q17) Complexity classes (hierarchies, relations among complexity classes, etc.) (68Q15)


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An NP-complete fragment of fibring logic ⋮ Unnamed Item ⋮ The complexity of identifying characteristic formulae ⋮ Parameterized modal satisfiability ⋮ Epistemic closure and epistemic logic. I: Relevant alternatives and subjunctivism ⋮ Reasoning about knowledge of unawareness



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