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| Title: | | Belief change in branching time: AGM-consistency and iterated revision  |
| Authors: | | Bonanno, Giacomo |
| Issue Date: | | 2010 |
| Series/Report no.: | | Working Papers, University of California, Department of Economics 10,1 |
| Abstract: | | We study belief change in the branching-time structures introduced in [4]. First, we identify a property of branching-time frames that is equivalent to AGM-consistency, which is defined as follows. A frame is AGM-consistent if the partial belief revision function associated with an arbitrary state-instant pair and an arbitrary model based on that frame can be extended to a full belief revision function that satisfies the AGM postulates. Second, we provide a set of modal axioms that characterize the class of AGM-consistent frames within themodal logic introduced in [4]. Third, we introduce a generalization of AGM belief revision functions that allows a clear statement of principles of iterated belief revision and discuss iterated revision both semantically and syntactically. |
| Subjects: | | branching time belief revision information iterated belief revision plausibility ordering |
| Document Type: | | Working Paper |
| Appears in Collections: | | Working Papers, Department of Economics, UC Davis
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