Completeness of a Branching-Time Logic with Possible Choices

  • Authors:
  • Roberto Ciuni;Alberto Zanardo

  • Affiliations:
  • Department of Philosophy, Delft University of Technology, Delft, Netherlands 2628 BX;Department of Pure and Applied Mathematics, University of Padova, Padova, Italy 35121

  • Venue:
  • Studia Logica
  • Year:
  • 2010

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Abstract

In this paper we present BTC, which is a complete logic for branchingtime whose modal operator quantifies over histories and whose temporal operators involve a restricted quantification over histories in a given possible choice. This is a technical novelty, since the operators of the usual logics for branching-time such as CTL express an unrestricted quantification over histories and moments. The value of the apparatus we introduce is connected to those logics of agency that are interpreted on branching-time, as for instance Stit Logics.