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![]() Title:On the Representation of Darwiche and Pearl’s Epistemic States for Iterated Belief Revision Conference:KR 2022 Tags:Belief Revision, Epistemic States, Iterated Belief Revision and Ordinal Conditional Functions Abstract: The seminal characterization of iterated belief revision was proposed by Darwiche and Pearl, which uses an abstract notion of epistemic states. In this work we look for a canonical representation of these epistemic states. Total preorders are not expressive enough to be used as such a canonical representation. Actually, we show that some operators can even not be represented on a countable epistemic space. Nonetheless, under a very reasonable assumption on the epistemic space, we show that OCFs (Ordinal Conditional Functions) can be considered as a canonical representation. On the Representation of Darwiche and Pearl’s Epistemic States for Iterated Belief Revision ![]() On the Representation of Darwiche and Pearl’s Epistemic States for Iterated Belief Revision | ||||
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