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Boolean

adjective

Bool·​ean ˈbü-lē-ən How to pronounce Boolean (audio)
: of, relating to, or being a logical combinatorial system (such as Boolean algebra) that represents symbolically relationships (such as those implied by the logical operators AND, OR, and NOT) between entities (such as sets, propositions, or on-off computer circuit elements)
Boolean expression
Boolean search strategy for information retrieval

Word History

Etymology

George Boole †1864 English mathematician

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of Boolean was in 1851

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