Abstract

We investigate a simple modal logic of probability with a unary modal operator expressing that a proposition is more probable than its negation. Such an operator is not closed under conjunction, and its modal logic is therefore non-normal. Within this framework we study the relation of probability with other modal concepts: belief and action.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Andreas Herzig
    • 1
  • Dominique Longin
    • 1
  1. 1.Institut de Recherche en Informatique de Toulouse (CNRS – UMR 5505)Toulouse cedex 04France

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