Noun
English Wikipedia has an article on:Boolean functionWikipedia
Boolean function (plural Boolean functions)
(algebra, logic, computing) Any function based on the operations AND, OR and NOT, and whose elements are from the domain of Boolean algebra
Because LFSRs are inherently linear, one technique for removing the linearity is to feed the outputs of several parallel LFSRs into a non-linear Boolean function to form a combination generator. Source: Internet
Any Boolean function of n variables and one result can be implemented with a multiplexer with n selector inputs. Source: Internet
For example, a well-known approach to represent a multiple-output Boolean function is to treat its output part as a single many-valued variable and convert it to a single-output characteristic function. Source: Internet