Logics for belief functions on MV-algebras

  • Authors:
  • Tommaso Flaminio;LluíS Godo;Enrico Marchioni

  • Affiliations:
  • Artificial Intelligence Research Institute (IIIA), Spanish National Research Council (CSIC), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain;Artificial Intelligence Research Institute (IIIA), Spanish National Research Council (CSIC), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain;Artificial Intelligence Research Institute (IIIA), Spanish National Research Council (CSIC), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain

  • Venue:
  • International Journal of Approximate Reasoning
  • Year:
  • 2013

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Abstract

In this paper we present a generalization of belief functions over fuzzy events. In particular we focus on belief functions defined in the algebraic framework of finite MV-algebras of fuzzy sets. We introduce a fuzzy modal logic to formalize reasoning with belief functions on many-valued events. We prove, among other results, that several different notions of belief functions can be characterized in a quite uniform way, just by slightly modifying the complete axiomatization of one of the modal logics involved in the definition of our formalism.