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Boolean value

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  • Boolean value — loginė reikšmė statusas T sritis informatika apibrėžtis ↑Reikšmė, kuria nusakoma viena iš dviejų būsenų: ↑tiesa arba ↑netiesa. Taigi yra tik dvi loginės reikšmės. Jos žymimos įvairiai: žodžiais tiesa ir netiesa, angliškais žodžiais TRUE ir FALSE… …   Enciklopedinis kompiuterijos žodynas

  • Boolean value — loginė vertė statusas T sritis automatika atitikmenys: angl. Boolean value; logical value vok. Boolescher Wert, m; logischer Wert, m; Wahrheitswert, m rus. булево значение, n; логическое значение, n pranc. valeur logique, f …   Automatikos terminų žodynas

  • 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 expression — A Boolean expression is an expression that results in a Boolean value, that is, TRUE or FALSE. For example, the value for 5 > 3 is TRUE, the value for An apple is not a fruit is FALSE.Boolean expressions are used also in document retrieval. For… …   Wikipedia

  • Boolean function — In mathematics, a (finitary) Boolean function is a function of the form f : B k rarr; B, where B = {0, 1} is a Boolean domain and k is a nonnegative integer called the arity of the function. In the case where k = 0, the function is essentially a… …   Wikipedia

  • Boolean algebra (introduction) — Boolean algebra, developed in 1854 by George Boole in his book An Investigation of the Laws of Thought , is a variant of ordinary algebra as taught in high school. Boolean algebra differs from ordinary algebra in three ways: in the values that… …   Wikipedia

  • Boolean algebras canonically defined — Boolean algebras have been formally defined variously as a kind of lattice and as a kind of ring. This article presents them more neutrally but equally formally as simply the models of the equational theory of two values, and observes the… …   Wikipedia

  • Boolean analysis — was introduced by Flament (1976). The goal of a Boolean analysis is to detect deterministic dependencies between the items of a questionnaire in observed response patterns. These deterministic dependencies have the form of logical formulas… …   Wikipedia

  • Boolean algebra — This article discusses the subject referred to as Boolean algebra. For the mathematical objects, see Boolean algebra (structure). Boolean algebra, as developed in 1854 by George Boole in his book An Investigation of the Laws of Thought,[1] is a… …   Wikipedia

  • Boolean algebra (logic) — For other uses, see Boolean algebra (disambiguation). Boolean algebra (or Boolean logic) is a logical calculus of truth values, developed by George Boole in the 1840s. It resembles the algebra of real numbers, but with the numeric operations 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

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