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Enhanced Contraction and (In)dependence Preliminary report Bochman, Alexander Contractions dependence We introduce a number of contraction operations that allow us to preserve more information in the process of belief contraction and revision of our epistemic states. One of them, choice contraction, will be argued to characterise basic (in)dependence relations among propositions belonging to the epistemic state. Schloss Dagstuhl – Leibniz-Zentrum für Informatik Alexander Bochman 2007 Is Part Of Dagstuhl Seminar Proceedings, Volume 7351, Formal Models of Belief Change in Rational Agents (2007) InProceedings Text doc-type:ResearchArticle publishedVersion application/pdf doi:10.4230/DagSemProc.07351.11 urn:nbn:de:0030-drops-12049 https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.07351.11 eng https://creativecommons.org/licenses/by/4.0/legalcode