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Belief contraction as nonmonotonic inference

Published online by Cambridge University Press:  12 March 2014

Alexander Bochman
Alexander Bochman*
Affiliation:
Computer Science Department, Technological Academic Institute Holon, 52 Golomb St., Pob 305 Holon 58102, Israel, E-mail: [email protected]
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Abstract

A notion of an epistemic state is introduced as a generalization of common representations suggested for belief change. Based on it, a new kind of nonmonotonic inference relation corresponding to belief contractions is defined. A number of representation results is established that cover both traditional AGM contractions and contractions that do not satisfy recovery.

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 65 , Issue 2 , June 2000 , pp. 605 - 626
Copyright
Copyright © Association for Symbolic Logic 2000

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