A Framework for Automated Reasoning in Multiple-Valued Logics

  • Authors:
  • James J. Lu;Neil V. Murray;Erik Rosenthal

  • Affiliations:
  • Department of Computer Science, Bucknell University, Lewisburg, PA 17838. e-mail:jameslu@bucknell.edu;Department of Computer Science, State University of New York, Albany, NY 12222. e-mail:nvm@cs.albany.edu;Department of Mathematics, University of New Haven, West Haven, CT 06516. e-mail:brodsky@charger.newhaven.edu

  • Venue:
  • Journal of Automated Reasoning
  • Year:
  • 1998

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Abstract

The language of signed formulas offers a first-order classical logicframework for automated reasoning in multiple-valued logics. It issufficiently general to include both annotated logics and fuzzy operatorlogics. Signed resolution unifies the two inference rules of annotatedlogics, thus enabling the development of an SLD-style proof procedure forannotated logic programs. Signed resolution also captures fuzzy resolution.The logic of signed formulas offers a means of adapting most classicalinference techniques to multiple-valued logics.