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Communication among agents: a way to revise beliefs in KD45 Kripke structures

Jean-Marc Tallon (), Jean-Christophe Vergnaud () and Shmuel Zamir
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Shmuel Zamir: EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - UP1 - Université Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, CREST-LEI - Hebrew University

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Abstract: We address the issue of belief revision in a multi-agent setting. We represent agents' beliefs in a semantic manner, through a Kripke structure, and model a communication process by which agents communicate their beliefs to one another. We define a revision rule that can be applied even when agents have contradictory beliefs. We study its properties and show that agents need not agree after communicating their beliefs. We finally address the dynamics of revision and show that the order of communication may affect the resulting belief structure.

Keywords: belief revision; KD45; Kripke structure (search for similar items in EconPapers)
Date: 2004
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Published in Journal of Applied Non-Classical Logics, Editions Hermes, 2004, 14 (4), pp.477-500. ⟨10.3166/jancl.14.477-500⟩

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DOI: 10.3166/jancl.14.477-500

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