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Relations of epistemic proximity for belief change
KTH, School of Architecture and the Built Environment (ABE), Philosophy and History of Technology, Philosophy.
2014 (English)In: Artificial Intelligence, ISSN 0004-3702, E-ISSN 0374-2539, Vol. 217, 76-91 p.Article in journal (Refereed) Published
Abstract [en]

Relations of epistemic proximity are closely related to relations of epistemic entrenchment, but contrary to the latter they do not refer to sentences but to belief patterns that are expressed with a metalinguistic belief predicate B. Hence -Bp > B-q means that disbelief in p is more close at hand (obtainable with less far-reaching changes in belief) than belief in not-q. The logic of epistemic proximity is investigated, and it is used to construct a uniform operation of belief change that has the standard operations as special cases, specified with success conditions such as Bp for revision and {-Bp(1),...,-Bp(n)} for multiple contraction. Standard entrenchment relations are obtained by defining p to be less entrenched than q if and only if -Bp > -Bq.

Place, publisher, year, edition, pages
2014. Vol. 217, 76-91 p.
Keyword [en]
Descriptor revision, Epistemic proximity, Epistemic entrenchment, Believability
National Category
Philosophy Computer and Information Science
URN: urn:nbn:se:kth:diva-158804DOI: 10.1016/j.artint.2014.08.001ISI: 000345180400004ScopusID: 2-s2.0-84906841188OAI: diva2:785195

QC 20150202

Available from: 2015-02-02 Created: 2015-01-12 Last updated: 2015-02-02Bibliographically approved

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Hansson, Sven Ove
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