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Erschienen in:
2015 | OriginalPaper | Buchkapitel
Representing Imperfect Information of Procedures with Hyper Models
verfasst von : Yanjing Wang
Erschienen in: Logic and Its Applications
Verlag: Springer Berlin Heidelberg
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When reasoning about knowledge of procedures under imperfect information, the explicit representation of epistemic possibilities blows up the S5-like models of standard epistemic logic. To overcome this drawback, in this paper, we propose a new logical framework based on compact models without epistemic accessibility relations for reasoning about knowledge of procedures. Inspired by the 3-valued abstraction method in model checking, we introduce hyper models which encode the imperfect procedural information. We give a highly non-trivial 2-valued semantics of epistemic dynamic logic on such models while validating all the usual S5 axioms. Our approach is suitable for applications where procedural information is ‘learned’ incrementally, as demonstrated by various examples.