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Distance Semantics for Belief Revision | | Daniel Lehmann
; Menachem Magidor
; Karl Schlechta
; | | Date: |
18 Feb 2002 | | Journal: | Journal of Symbolic Logic, Vol. 66 No.1 (March 2001) pp. 295-317 | | Subject: | Artificial Intelligence ACM-class: I.2.3 | cs.AI | | Abstract: | A vast and interesting family of natural semantics for belief revision is defined. Suppose one is given a distance d between any two models. One may then define the revision of a theory K by a formula a as the theory defined by the set of all those models of a that are closest, by d, to the set of models of K. This family is characterized by a set of rationality postulates that extends the AGM postulates. The new postulates describe properties of iterated revisions. | | Source: | arXiv, cs.AI/0202025 | | Services: | Forum | Review | PDF | Favorites | |
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