A non-preferential semantics of non-monotonic modal logic

  • Authors:
  • Michael Kaminski

  • Affiliations:
  • Department of Computer Science, Technion---Israel Institute of Technology, Haifa, Israel 32000

  • Venue:
  • Annals of Mathematics and Artificial Intelligence
  • Year:
  • 2008

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Abstract

We present a new semantical description of non-monotonic modal logic whose underlying (monotonic) modal logic S is characterized by a class of cluster-decomposable Kripke interpretations: it is shown that S-expansions coincide with the theories of isolated clusters of the canonical model of S.