From answer set logic programming to circumscription via logic of GK

  • Authors:
  • Fangzhen Lin;Yi Zhou

  • Affiliations:
  • Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong

  • Venue:
  • IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
  • Year:
  • 2007

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Abstract

We first provide a mapping from Pearce's equilibrium logic and Ferraris's general logic programs to Lin and Shoham's logic of knowledge and justified assumptions, a nonmonotonic modal logic that has been shown to include as special cases both Reiter's default logic in the propositional case and Moore's autoepistemic logic. From this mapping, we obtain a mapping from general logic programs to circumscription, both in the propositional and first-order case. Furthermore, we show that this mapping can be used to check the strong equivalence between two propositional logic programs in classical logic.