Istituto di Scienza e Tecnologie dell'Informazione     
Straccia U. A four-valued fuzzy propositional logic. In: IJCAI'97 - Proceedings of the Fourteenth National Conference on Artificial Intelligence and the Ninth Innovative Applications of Artificial Intelligence conference (Nagoya, Japan, 23-29 August 1997). Proceedings, vol. 1 pp. 128 - 133. Martha E. Pollack (ed.). Kaufmann, 1997.
It is generally accepted that knowledge based systems ivouìd be smarter and more robust if they ean manage inconsistent. incomplete or imprecise knowledge. This paper is about a four-valued fuzzy propositionai logic, u-hich is thè result of thè combination of a fbur-valued logic and a fuzzy propositional logic. Beàides thè nice cornputational properties. thè logic en-ables us also to deal both with inconsistency and imprecise predicates in a simple way.
Subject Fuzzy

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