Fuzzy Relational Systems : Foundations and Principles (Ifsr International Series on Systems Science and Engineering, V. 20.)

Since their inception, fuzzy sets and fuzzy logic became popular. The reason is that the very idea of fuzzy sets and fuzzy logic attacks an old tradition in science, namely bivalent (black-or-white, all-or-none) judg­ ment and reasoning and the thus resulting approach to formation of scientific theories and models of reality.