logical square

logical square
мат. логический квадрат

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

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  • Logical positivism — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… …   Wikipedia

  • Logical truth — is one of the most fundamental concepts in logic, and there are different theories on its nature. A logical truth is a statement which is true and remains true under all reinterpretations of its components other than its logical constants. It is… …   Wikipedia

  • Square of opposition — In the system of Aristotelian logic , the square of opposition is a diagram representing the different ways in which each of the four propositions of the system are logically related ( opposed ) to each of the others. The system is also useful in …   Wikipedia

  • Logical connective — This article is about connectives in classical logic. For connectors in natural languages, see discourse connective. For connectives and operators in other logics, see logical constant. For other logical symbols, see table of logic symbols. In… …   Wikipedia

  • logical relation — ▪ logic       those relations between the elements of discourse or thought that constitute its rationality, in the sense either of (1) reasonableness or (2) intelligibility. A statement may be perfectly intelligible without being based upon any… …   Universalium

  • Logical consequence — Therefore redirects here. For the symbol, see therefore sign. Logical consequence is a fundamental concept in logic. It is the relation that holds between a set of sentences (or propositions) and a sentence (proposition) when the former entails… …   Wikipedia

  • Logical spreadsheet — A logical spreadsheet is a spreadsheet in which formulas take the form of logical constraints rather than function definitions.In traditional spreadsheet systems, such as Excel, cells are partitioned into directly specified cells and computed… …   Wikipedia

  • Logical matrix — A logical matrix, binary matrix, relation matrix, Boolean matrix, or (0,1) matrix is a matrix with entries from the Boolean domain B = {0, 1}. Such a matrix can be used to represent a binary relation between a pair of finite sets. Contents 1… …   Wikipedia

  • square of opposition — Date: 1864 a square figure on which may be demonstrated the logical relationships of contraries, contradictories, subcontraries, and subalterns and superalterns …   New Collegiate Dictionary

  • square of opposition — In traditional logic the square of opposition summarizes the logical relationships between the four forms of subject predicate proposition known as A, E, I, O: All X are Y; no X are Y; some X are Y; some X are not Y. In the diagram,… …   Philosophy dictionary

  • square of opposition — a square figure on which may be demonstrated the four logical oppositons by contrariety, subcontrariety, subalternation, and contradiction * * * Logic. a diagrammatic representation of the opposition of categorical propositions. [1860 65] …   Useful english dictionary


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