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propositional form

См. также в других словарях:

  • Propositional formula — In propositional logic, a propositional formula is a type of syntactic formula which is well formed and has a truth value. If the values of all variables in a propositional formula are given, it determines a unique truth value. A propositional… …   Wikipedia

  • Propositional calculus — In mathematical logic, a propositional calculus or logic (also called sentential calculus or sentential logic) is a formal system in which formulas of a formal language may be interpreted as representing propositions. A system of inference rules… …   Wikipedia

  • Propositional representation — Articleissues unreferenced = March 2008 technical = March 2008 introrewrite = March 2008Propositional representation is symbolic description.Other AttributesPropositional representations are also:*Language like only in the sense that they… …   Wikipedia

  • Propositional attitude — A propositional attitude is a relational mental state connecting a person to a proposition. They are often assumed to be the simplest components of thought and can express meanings or content that can be true or false. In being a type of attitude …   Wikipedia

  • propositional function — Logic. See sentential function. [1900 05] * * * Sentencelike expression that may be thought of as obtained from a sentence by substituting variables for constants occurring in the sentence. For example, x was a parent of y may be thought of as… …   Universalium

  • Propositional directed acyclic graph — A propositional directed acyclic graph (PDAG) is a data structure that is used to represent a Boolean function. A Boolean function can be represented as a rooted, directed acyclic graph of the following form: * Leaves are labeled with op (true),… …   Wikipedia

  • propositional religion — /prɒpəˌzɪʃənəl rəˈlɪdʒən/ (say propuh.zishuhnuhl ruh lijuhn) noun a form of religion which derives certainty from rational thought rather than ritual, faith, aesthetics, etc.; a view of religion tracing its roots to the Enlightenment …  

  • Implicational propositional calculus — In mathematical logic, the implicational propositional calculus is a version of classical (two valued) propositional calculus which uses only one connective, called implication or conditional. In formulas, this binary operation is indicated by… …   Wikipedia

  • Conjunctive normal form — In Boolean logic, a formula is in conjunctive normal form (CNF) if it is a conjunction of clauses, where a clause is a disjunction of literals. As a normal form, it is useful in automated theorem proving. It is similar to the product of sums form …   Wikipedia

  • Laws of Form — (hereinafter LoF ) is a book by G. Spencer Brown, published in 1969, that straddles the boundary between mathematics and of philosophy. LoF describes three distinct logical systems: * The primary arithmetic (described in Chapter 4), whose models… …   Wikipedia

  • Disjunctive normal form — In boolean logic, a disjunctive normal form (DNF) is a standardization (or normalization) of a logical formula which is a disjunction of conjunctive clauses. As a normal form, it is useful in automated theorem proving. A logical formula is… …   Wikipedia

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