Reasoning-based introspection

Olivier Gossner and Elias Tsakas
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Olivier Gossner: PSE - Paris-Jourdan Sciences Economiques - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, LSE - London School of Economics and Political Science
Elias Tsakas: Maastricht University [Maastricht]

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Abstract: We show that if an agent reasons according to standard inference rules, the truth and introspection axioms extend from the set of non-epistemic propositions to the whole set of propositions. This implies that the usual axiomatization of partitional possibility correspondences is redundant, and provides a justification for truth and introspection that is partly based on reasoning.

Keywords: Knowledge; Introspection; Truth axiom; Partitional information structures; Epistemic game theory (search for similar items in EconPapers)
Date: 2012-10
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Published in Theory and Decision, 2012, 73 (4), pp.513-523. ⟨10.1007/s11238-011-9284-1⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-00754575

DOI: 10.1007/s11238-011-9284-1

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