Studia Logica

, Volume 70, Issue 1, pp 23-47

First online:

Iterated Belief Revision and Conditional Logic

  • Laura GiordanoAffiliated withDSTA, Università del Piemonte Orientale "A. Avogadro"
  • , Valentina GliozziAffiliated withDipartimento di Informatica, Università di Torino
  • , Nicola OlivettiAffiliated withDipartimento di Informatica, Università di Torino

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In this paper we propose a conditional logic called IBC to represent iterated belief revision systems. We propose a set of postulates for iterated revision which are a small variant of Darwiche and Pearl's ones. The conditional logic IBC has a standard semantics in terms of selection function models and provides a natural representation of epistemic states. We establish a correspondence between iterated belief revision systems and IBC-models. Our representation theorem does not entail Gärdenfors' Triviality Result.