Theory contraction and base contraction unified

Journal of Symbolic Logic 58 (2):602-625 (1993)
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Abstract

One way to construct a contraction operator for a theory (belief set) is to assign to it a base (belief base) and an operator of partial meet contraction for that base. Axiomatic characterizations are given of the theory contractions that are generated in this way by (various types of) partial meet base contractions

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Sven Ove Hansson
Royal Institute of Technology, Stockholm

Citations of this work

AGM 25 Years: Twenty-Five Years of Research in Belief Change.Eduardo Fermé & Sven Ove Hansson - 2011 - Journal of Philosophical Logic 40 (2):295 - 331.
Specified Meet Contraction.Sven Ove Hansson - 2008 - Erkenntnis 69 (1):31-54.
Rethinking epistemic logic with belief bases.Emiliano Lorini - 2020 - Artificial Intelligence 282 (C):103233.

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References found in this work

Theory contraction through base contraction.André Fuhrmann - 1991 - Journal of Philosophical Logic 20 (2):175 - 203.
On the status of the postulate of recovery in the logic of theory change.David Makinson - 1987 - Journal of Philosophical Logic 16 (4):383 - 394.
Belief contraction without recovery.Sven Ove Hansson - 1991 - Studia Logica 50 (2):251 - 260.
Reversing the Levi identity.Sven Ove Hansson - 1993 - Journal of Philosophical Logic 22 (6):637 - 669.
New operators for theory change.Svenove Hansson - 1989 - Theoria 55 (2):114-132.

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