From fuzzy logic to fuzzy truth-valued logic for expert systems: a survey
Ramón López de Mántaras, Lluı́s Godo · 2002
Fuzzy logic is a logic both of vagueness and of incomplete information in the sense that truth-values can be ill-known and therefore represented by fuzzy subsets of the unit interval, that is, fuzzy truth-values. Truth is not an absolute concept. Fuzzy logic provides a way to represent degrees of certainty. The authors present a comprehensive survey showing that the fuzzy truth-valued approach has the advantage of being independent of the particular possibility distributions associated with the condition and action parts of the rules. An example of reasoning with fuzzy truth-values is given.>