Abstract
In this paper we study possibility theory from the point of view of modal logic. Our first and main result is that the logic of qualitative possibility is nothing else than Lewis's conditional logic VN. Second, we propose a multi-modal logic able to support possibility theory. Some connexions between these formalisms are stressed.
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del Cerro, L.F., Herzig, A. (1991). A modal analysis of possibility theory. In: Kruse, R., Siegel, P. (eds) Symbolic and Quantitative Approaches to Uncertainty. ECSQARU 1991. Lecture Notes in Computer Science, vol 548. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-54659-6_66
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DOI: https://doi.org/10.1007/3-540-54659-6_66
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Online ISBN: 978-3-540-46426-6
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