Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/324794 
Year of Publication: 
2025
Series/Report no.: 
Working Paper No. 368
Publisher: 
University of California, Department of Economics, Davis, CA
Abstract: 
Building on the analysis of Bonanno (2025) we introduce a simple modal logic containing three modal operators: a unimodal belief operator B, a bimodal conditional operator > and the unimodal global operator □. For each AGM axiom for belief revision, we provide a corresponding modal axiom. The correspondence is as follows: each AGM axiom is characterized by a property of the Kripke-Lewis frames considered in Bonanno (2025) and, in turn, that property characterizes the proposed modal axiom.
Subjects: 
Belief revision
conditionals
counterfactuals
Kripke relation
Lewis selection function
modal logic
frame correspondence
Document Type: 
Working Paper

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