boolean operators


boolean operators
логические операторы, булевы операторы

English-Russian library and information terminology dictionary. 2014.

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  • Boolean operators — For the mathematical function, click here: Boolean function Boolean Operators are words or marks typed in some search engines search box to show specific webpages with certain phrases or words together or omitted. The term is derived from Boolean …   Wikipedia

  • Boolean — Boo‧le‧an [ˈbuːliən] adjective [only before a noun] COMPUTING relating to a type of logic in which something can be either true or false, but not both: • online systems which make use of Boolean logic • a Boolean search (= a search for… …   Financial and business terms

  • Boolean operator — UK US noun [countable] [singular Boolean operator plural Boolean operators] computing a word such as ‘and’, ‘or’, or ‘not’ used in a Boolean search on the Internet Thesaurus …   Useful english dictionary

  • Boolean datatype — In computer science, the Boolean datatype, sometimes called the logical datatype , is a primitive datatype having one of two values: true and false. Many systems represent true as non zero (often 1, or 1) and false as zero . It is the special… …   Wikipedia

  • Boolean algebra — /booh lee euhn/ 1. Logic. a deductive logical system, usually applied to classes, in which, under the operations of intersection and symmetric difference, classes are treated as algebraic quantities. 2. Math. a ring with a multiplicative identity …   Universalium

  • Boolean satisfiability problem — For the concept in mathematical logic, see Satisfiability. 3SAT redirects here. For the Central European television network, see 3sat. In computer science, satisfiability (often written in all capitals or abbreviated SAT) is the problem of… …   Wikipedia

  • Boolean-valued model — In mathematical logic, a Boolean valued model is a generalization of the ordinary Tarskian notion of structure or model, in which the truth values of propositions are not limited to true and false , but take values in some fixed complete Boolean… …   Wikipedia

  • Boolean algebra — A Boolean algebra is a system consisting of a set S and two operations, n and ? (cap and cup), subject to the following axioms. For all sets a,b,c, that are members of S: 1 a n (b n c) = (a n b) n c. Also a ? (b ? c) = (a ? b) ? c (associativity) …   Philosophy dictionary

  • Boolean —    Any variable that can have a logical value of true or false. Named after George Boole, the developer of a branch of algebra based on the values of true and false, Boolean works with logical rather than numeric relationships.    Boolean… …   Dictionary of networking

  • Boolean operator — UK / US noun [countable] Word forms Boolean operator : singular Boolean operator plural Boolean operators computing a word such as and , or , or not used in a Boolean search on the Internet …   English dictionary

  • Boolean search — /ˈbuliən ˌsɜtʃ/ (say boohleeuhn .serch) noun a search of a computer database in which Boolean operators may be used …   Australian English dictionary

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