Logical dynamics of belief change in the community

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dc.contributor.author Girard, Patrick en
dc.coverage.spatial Regensburg, Germany en
dc.date.accessioned 2014-02-12T04:31:18Z en
dc.date.issued 2012 en
dc.identifier.citation Regensburg, Germany. 2012 en
dc.identifier.uri http://hdl.handle.net/2292/21597 en
dc.description.abstract In this paper we explore the relationship between norms of belief revision that may be adopted by members of a community and the resulting dynamic properties of the distribution of beliefs across that community. We show that at a qualitative level many aspects of social belief change can be obtained from a very simplistic model, which we call `threshold in uence'. In particular, we focus on the question of what makes the beliefs of a community stable under various dynamical situations. Besides, we consider re nements and alternatives to the `threshold' model. The most signi cant alternative is to move to consideration of plausibility judgements rather than mere beliefs. We show rst that some such change is mandated by di cult problems with belief-based dynamics related to the need to decide on an order in which di erent beliefs are considered. Secondly, we show that the resulting plausibility-based account results in a dynamical system that is non-deterministic at the level of beliefs. Nonetheless, the plausibility-based account lacks certain intuitively desirable features, such as the preservation of the transitivity. en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Logical dynamics of belief change in the community en
dc.type Presentation en
dc.description.version Author's original en
pubs.author-url http://www.uni-regensburg.de/philosophie-kunst-geschichte-gesellschaft/philosophie/kolloquium/index.html en
dc.rights.accessrights http://purl.org/eprint/accessRights/OpenAccess en
pubs.subtype Oral Presentation (Not presented at a conference) en
pubs.elements-id 372910 en
pubs.org-id Arts en
pubs.org-id Humanities en
pubs.org-id Philosophy en
pubs.record-created-at-source-date 2013-02-04 en

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