Chance discovery and unification in linear modal logic

  • Authors:
  • Vladimir V. Rybakov

  • Affiliations:
  • School of Computing, Mathematics and IT, Manchester Metropolitan University, Manchester, UK and Institute of Mathematics, Siberian Federal University, Krasnoyarsk, Russia

  • Venue:
  • KES'11 Proceedings of the 15th international conference on Knowledge-based and intelligent information and engineering systems - Volume Part II
  • Year:
  • 2011

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Abstract

This paper studies an interpretation of the Chance Discovery (CD) as the unification problem in the linear modal logic S4.3. We prove that any formula unifiable in S4.3 has a most general unifier, and we give an algorithm which, for any unifiable formula, constructs a most general unifier. More precisely, we merely write out, explicitly, the formulas giving substitutions for a most-general unifier. From computational viewpoint, we find an algorithm for the construction of sets of 'best unifiers' (complete collections of 'most' general unifiers) in the linear modal logic S4.3.