On generalized modus ponens with multiple rules and a residuated implication

  • Authors:
  • Nehad N. Morsi;Aly A. Fahmy

  • Affiliations:
  • Department of Basic Sciences, Arab Academy for Science, Technology and Maritime Transport, P.O. Box 1029 Miami, Alexandria, Egypt;Department of Computer and Operation Research, Military Technical College, Cairo, Egypt

  • Venue:
  • Fuzzy Sets and Systems - Data bases and approximate reasoning
  • Year:
  • 2002

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Abstract

We consider a multiple-rule, generalized modus ponens inference scheme, with an interpretation based on compositional rule of inference (CRI) and a residuated implication. We show that such a system is equivalent, as far as CRI is concerned, to a system that satisfies the "basic requirement for fuzzy reasoning", proposed by Turksen and Tian (Fuzzy Sets and Systems 58 (1993) 3-40). We establish an analogous conclusion for an alternative interpretation (due to Magrez and Smets) of generalized modus ponens, which we call consequent dilation rule (CDR). This method is computationally faster than CRI, but it produces less specific inference results.