extensional class

extensional class
мат. экстенсиональный класс

Большой англо-русский и русско-английский словарь. 2001.

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  • Extensional definition — An extensional definition of a concept or term formulates its meaning by specifying its extension, that is, every object that falls under the definition of the concept or term in question.For example, an extensional definition of the term nation… …   Wikipedia

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  • extensional — adjective defining a word by listing the class of entities to which the word correctly applies • Similar to: ↑denotative, ↑denotive • Derivationally related forms: ↑extension • Topics: ↑logic …   Useful english dictionary

  • logic, history of — Introduction       the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic       There was a medieval tradition according to which the Greek philosopher …   Universalium

  • Ontology components — Contemporary ontologies share many structural similarities, regardless of the language in which they are expressed. Most ontologies describe individuals (instances), classes (concepts), attributes, and relations. Contents 1 Overview 2 Individuals …   Wikipedia

  • Logicism — is one of the schools of thought in the philosophy of mathematics, putting forth the theory that mathematics is an extension of logic and therefore some or all mathematics is reducible to logic.[1] Bertrand Russell and Alfred North Whitehead… …   Wikipedia

  • solids, mechanics of — ▪ physics Introduction       science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures.       What, then, is a solid? Any material, fluid or solid, can support normal forces.… …   Universalium

  • Mostowski collapse lemma — In mathematical logic, the Mostowski collapse lemma is a statement in set theory named for Andrzej Mostowski. Contents 1 Statement 2 Generalizations 3 Application 4 Referenc …   Wikipedia

  • Definition — For other uses, see Definition (disambiguation). A definition is a passage that explains the meaning of a term (a word, phrase or other set of symbols), or a type of thing. The term to be defined is the definiendum. A term may have many different …   Wikipedia

  • Principia Mathematica — For Isaac Newton s book containing basic laws of physics, see Philosophiæ Naturalis Principia Mathematica. The title page of the shortened version of the Principia Mathematica to *56. The Principia Mathematica is a three volume work on the… …   Wikipedia

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium


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