fuzzy logic

noun

1. a branch of logic designed to allow degrees of imprecision in reasoning and knowledge, typified by terms such as `very', `quite possibly', and `unlikely', to be represented in such a way that the information can be processed by computer

fuzzy logic

/ fŭz′ē /

1. A form of algebra employing a range of values from “true” to “false” that is used in making decisions with imprecise data. The outcome of an operation is assigned a value between 0 and 1 corresponding to its degree of truth. Fuzzy logic is used, for example, in artificial intelligence systems.