Boolean logic is an essential part of mathematics, engineering, and programming. In most languages, there's a dedicated ...

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 ...

Boolean operations Boolean operators are used to combine relational operators to give more complex decisions.

A Boolean expression combines characteristics with logical or, and, and negation operators to produce a binary (true or false) evaluation of the expression. Characteristic Boolean expressions, ...

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 ...