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Possibilistic Logic, Preferential Models, Non-monotonicity and Related Issues
1991
International Joint Conference on Artificial Intelligence
The links between Shoham's preference logic and possibilistic logic, a numerical logic of uncertainty based on Zadeh's possibility measures, are investigated. Starting from a fuzzy set of preferential interpretations of a propositional theory, we prove that the notion of preferential entailment is closely related to a previously introduced notion of conditional possibility. Conditional possibility is then shown to possess all properties (originally stated by Gabbay) of a well-behaved
dblp:conf/ijcai/DuboisP91
fatcat:fcu7srqa6zfqhbex7le7366p6e