In this paper we investigate computable isomorphisms of Boolean algebras with operators (BAOs). We prove that there are examples of polymodal Boolean algebras with finitely many computable isomorphism ...

A search for data that meets several criteria by using the Boolean operators AND, OR and NOT (see Boolean logic). For example, the request: "Search for all Spanish and French speaking employees who ...

Tests of characteristics associated with PUIDs are made in a form or mathematical logic known as a Boolean expression (after George Boole who invented it). A Boolean expression combines ...

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Google has quietly removed the Boolean + operator from its search options–and replaced it with expanded quotation mark functionality. For those who don’t use Boolean search operators, this isn’t a big ...