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Encyclopedia > Predicate
Look up predicate in
Wiktionary, the free dictionary.
Look up predication in
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Predicate or predication may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

Mathematics and statistics

Logic In mathematics, a predicate is either a relation or the boolean-valued function that amounts to the characteristic function or the indicator function of such a relation. ... In mathematics, the concept of a relation is a generalization of 2-place relations, such as the relation of equality, denoted by the sign = in a statement like 5 + 7 = 12, or the relation of order, denoted by the sign < in a statement like 5 < 12. Relations that involve two... A boolean-valued function, in some usages a predicate or a proposition, is a function of the type f : X â†’ B, where X is an arbitrary set and where B is a boolean domain. ... In mathematics, characteristic function can refer to any of several distinct concepts: The most common and universal usage is as a synonym for indicator function, that is the function which for every subset A of X, has value 1 at points of A and 0 at points of X âˆ’ A... In the mathematical subfield of set theory, the indicator function, or characteristic function, is a function defined on a set X which is used to indicate membership of an element in a subset A of X. Remark. ...

Grammar In linguistics and logic, a predicate is an expression that can be true of something. ... First-order logic (FOL) is a universal language in symbolic science, and is in use everyday by mathematicians, philosophers, linguists, computer scientists and practitioners of artificial intelligence. ...

• a predicate (grammar) is one of the two immediate components of a sentence. It is the rest of the sentence apart from the subject. For instance, in the sentence "All good things don't come to an end" the "don't come to an end" is the predicate, whereas the subject is "all good things." (Strictly speaking, the simple subject is "things" and "come" is the verb; the other words modify the key terms and comprise elements of the subjective phrase and the predicate phrase.)

Computer programming In linguistics and logic, a predicate is an expression that can be true of something. ... In linguistics, a sentence is a unit of language, characterized in most languages by the presence of a finite verb. ...

• a predicate (computer programming) is an operator or function which returns a boolean value, true or false, and predication is a choice to execute or not to execute a given instruction based on the content of a machine register.

Geographic Information In mathematics, a predicate is either a relation or the boolean-valued function that amounts to the characteristic function or the indicator function of such a relation. ... In mathematics, an operator is a function that performs some sort of operation on a number, variable, or function. ... Graph of example function, The mathematical concept of a function expresses the intuitive idea of deterministic dependence between two quantities, one of which is viewed as primary (the independent variable, argument of the function, or its input) and the other as secondary (the value of the function, or output). A... For use in mathematics, see Boolean algebra (structure). ...

• a predicate (geographic information) is similar to a computer programming predicate, in that it is an operator or function which returns a boolean value, but in this case based on spatial relationships such as within, contains, intersects, touches or overlaps.

Resource Description Framework (RDF) In mathematics, an operator is a function that performs some sort of operation on a number, variable, or function. ... Graph of example function, The mathematical concept of a function expresses the intuitive idea of deterministic dependence between two quantities, one of which is viewed as primary (the independent variable, argument of the function, or its input) and the other as secondary (the value of the function, or output). A... For use in mathematics, see Boolean algebra (structure). ... Resource Description Framework (RDF) is a family of World Wide Web Consortium (W3C) specifications originally designed as a metadata model but which has come to be used as a general method of modeling information, through a variety of syntax formats. ...

• a predicate (RDF) is a trait or aspect about that resource that is being described.

Type theory

• In Bertrand Russell's theory of types, a predication (type theory) is an act of typing, that is, assigning a type. A definite description in fact contains a claim of existence.

Results from FactBites:

 Predicate - Wikipedia, the free encyclopedia (152 words) Predicate is a fundamental concept in first-order logic. In grammar a predicate is one of the two constituent parts of a sentence. In Bertrand Russell's theory of types, a predication is an act of typing, that is, assigning a type.
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