Reasoning about time-dependent multi-agents: foundations of theorem proving and model checking

  • Authors:
  • Norihiro Kamide

  • Affiliations:
  • Waseda Institute for Advanced Study, Waseda University, Tokyo, Japan

  • Venue:
  • Transactions on Compuational Collective Intelligence VI
  • Year:
  • 2012

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Abstract

Firstly, an extension of linear-time temporal logic (LTL), called an agents-indexed linear-time temporal logic (ALTL), is introduced as a Gentzen-type sequent calculus. ALTL is intended to appropriately express reasoning about time-dependent multi-agents within a proof system. The cut-elimination and completeness theorems for ALTL are shown. Secondly, an extension of computation tree logic (CTL), called an agents-indexed computation tree logic (ACTL), is introduced as a Kripke-type semantics. ACTL is intended to appropriately formalize reasoning about time-dependent multi-agents within an executable temporal logic by model checking. The model-checking, validity and satisfiability problems for ACTL are shown to be decidable.