Studia Logica 102 (5):955-980 (2014)
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| Abstract |
A descriptor is a set of sentences that are truth-functional combinations of expressions of the form \ , where \ is a metalinguistic belief predicate and p a sentence in the object language in which beliefs are expressed. Descriptor revision ) is an operation of belief change that takes us from a belief set K to a new belief set \ where \ is a descriptor representing the success condition. Previously studied operations of belief change are special cases of descriptor revision, hence sentential revision can be represented as \ , contraction as \ , multiple contraction as \ , replacement as \ , etc. General models of descriptor revision are constructed and axiomatically characterized. The common selection mechanisms of AGM style belief change cannot be used, but they can be replaced by choice functions operating directly on the set of potential outcomes . The restrictions of this construction to sentential revision ) and sentential contraction give rise to operations with plausible properties that are also studied in some some detail
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| Keywords | Belief change Descriptor revision Expansion Monoselective choice function Outcome set Pure contraction Revocation Semirevision |
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| DOI | 10.1007/s11225-013-9512-5 |
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References found in this work BETA
On the Logic of Theory Change: Partial Meet Contraction and Revision Functions.Carlos E. Alchourrón, Peter Gärdenfors & David Makinson - 1985 - Journal of Symbolic Logic 50 (2):510-530.
A Textbook of Belief Dynamics: Theory Change and Database Updating.Sven Ove Hansson - 1999 - Dordrecht and Boston: Kluwer Academic Publishers.
Theory Contraction Through Base Contraction.André Fuhrmann - 1991 - Journal of Philosophical Logic 20 (2):175 - 203.
Preferential Belief Change Using Generalized Epistemic Entrenchment.Hans Rott - 1992 - Journal of Logic, Language and Information 1 (1):45-78.
View all 9 references / Add more references
Citations of this work BETA
Back to Basics: Belief Revision Through Direct Selection.Sven Hansson - 2019 - Studia Logica 107 (5):887-915.
Iterated Descriptor Revision and the Logic of Ramsey Test Conditionals.Sven Hansson - 2016 - Journal of Philosophical Logic 45 (4):429-450.
A Monoselective Presentation of AGM Revision.Sven Ove Hansson - 2015 - Studia Logica 103 (5):1019-1033.
How to Make Up One's Mind.Li Zhang & Sven Ove Hansson - 2015 - Logic Journal of the IGPL 23 (4):705-717.
View all 11 citations / Add more citations
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