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Changes of Mind
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Changes of Mind: An Essay on Rational Belief Revision

Neil Tennant

Abstract

This account of rational belief revision explains how a rational agent ought to proceed when adopting a new belief — a difficult matter if the new belief contradicts the agent’s old beliefs. Belief systems are modeled as finite dependency networks. So one can attend not only to what the agent believes, but also to the variety of reasons the agent has for so believing. The computational complexity of the revision problem is characterized. Algorithms for belief revision are formulated, and implemented in Prolog. The implementation tests well on a range of simple belief‐revision problems that pos ... More

Keywords: belief system, revision, contraction, expansion, dependency, network, minimal mutilation, Core Logic, algorithm, Prolog, justification, computational implementability

Bibliographic Information

Print publication date: 2012 Print ISBN-13: 9780199655755
Published to Oxford Scholarship Online: September 2012 DOI:10.1093/acprof:oso/9780199655755.001.0001

Authors

Affiliations are at time of print publication.

Neil Tennant, author
Arts & Humanities Distinguished Professor in Philosophy, and Adjunct Professor in Cognitive Science, The Ohio State University

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