A new class of fuzzy implications. Axioms of fuzzy implication revisited

被引:50
作者
Turksen, IB
Kreinovich, V [1 ]
Yager, RR
机构
[1] Univ Texas, Dept Comp Sci, El Paso, TX 79968 USA
[2] Univ Toronto, Dept Ind Engn, Toronto, ON M5S 1A4, Canada
[3] Iona Coll, Inst Machine Intelligence, New Rochelle, NY 10801 USA
关键词
basic theory; fuzzy logic; operators;
D O I
10.1016/S0165-0114(97)00066-3
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Many different fuzzy implication operators have been proposed; most of them fit into one of the two classes: implication operations that are based on an explicit representation of implication A --> B in terms of &, V, and inverted left perpendicular (e.g., S-implications that are based on the formula B V inverted left perpendicular A), and R-implications that are based on an implicit representation of implication A --> B as the weakest C for which C & B implies A. However, some fuzzy implication operations (such as b(a)) cannot be naturally represented in this form. To describe such operations, we propose a new (third) class of implication operations called A-implications whose relation to &, V, and inverted left perpendicular is described by (implicit) axioms. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:267 / 272
页数:6
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