fuzzy logic noun
: a system of logic in which statements do not have to be entirely true or false
: a system of logic in which a statement can be true, false, or any of a continuum of values in between
First Known Use of FUZZY LOGIC
fuzzy logic noun (Concise Encyclopedia)
Logic based on the concept of fuzzy sets, in which membership is expressed in varying probabilities or degrees of truththat is, as a continuum of values ranging from 0 (does not occur) to 1 (definitely occurs). As additional data are gathered, many fuzzy-logic systems are able to adjust the probability values assigned to different parameters. Because some such systems appear able to learn from their mistakes, they are often considered a crude form of artificial intelligence. The term and concept date from a 1965 paper by Lotfi A. Zadeh (born 1921). Fuzzy-logic systems achieved commercial application in the early 1990s. Advanced clothes-washing machines, for example, use fuzzy-logic systems to detect and adapt to patterns of water movement during a wash cycle, increasing efficiency and reducing water consumption. Other products using fuzzy logic include camcorders, microwave ovens, and dishwashers. Other applications include expert systems, self-regulating industrial controls, and computerized speech- and handwriting-recognition programs.
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