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AGM contraction is not reconstructible as a descriptor operation
Philosophy and History, KTH, School of Architecture and the Built Environment (ABE), Philosophy and History of Technology, Philosophy.ORCID iD: 0000-0003-0071-3919
2017 (English)In: Journal of logic and computation (Print), ISSN 0955-792X, E-ISSN 1465-363X, Vol. 27, no 4, p. 1133-1141Article in journal (Refereed) Published
Abstract [en]

Centrolinear belief revision is based on a linear ordering of a set consisting of the belief sets that are potential outcomes of changes in belief. The outcome of any particular change is equal to the highest-ranked among those belief sets that satisfy the success condition of the change in question. In previous work, it has been shown that all transitively relational partial meet revisions are reconstructible as centrolinear operations. Here it is shown that transitively relational partial meet contraction is not in general reconstructible as a centrolinear operation. It is argued that neither partial meet contraction nor the centrolinear operation is a plausible representation of belief contraction. Other ways to represent how we give up beliefs should be explored.

Place, publisher, year, edition, pages
OXFORD UNIV PRESS , 2017. Vol. 27, no 4, p. 1133-1141
Keywords [en]
Belief change, descriptor revision, centrolinear revision, AGM revision, AGM contraction, selection function, choice function
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-211396DOI: 10.1093/logcom/exv076ISI: 000405418400007OAI: oai:DiVA.org:kth-211396DiVA, id: diva2:1130117
Note

QC 20170808

Available from: 2017-08-08 Created: 2017-08-08 Last updated: 2018-01-13Bibliographically approved

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Hansson, Sven Ove

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