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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.13/3463
Title: On the logic of theory change: contraction without recovery
Author: Fermé, Eduardo L.
Keywords: Theory change
AGM theory
Belief contraction
Recovery postulate
Levi identity
Harper identity
.
Faculdade de Ciências Exatas e da Engenhariaa
Issue Date: 1998
Publisher: Springer
Citation: Fermé, E. L. (1998). On the logic of theory change: contraction without recovery. Journal of Logic, Language and Information, 7(2), 127-137.
Abstract: The postulate of Recovery, among the six postulates for theory contraction, formulated and studied by Alchourron, G ´ ardenfors and Makinson is the one that has provoked most controversy. ¨ In this article we construct withdrawal functions that do not satisfy Recovery, but try to preserve minimal change, and relate these withdrawal functions with the AGM contraction functions.
Peer review: yes
URI: http://hdl.handle.net/10400.13/3463
DOI: 10.1023/A:1008241816078
Appears in Collections:Artigos em revistas internacionais

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