particular quantifier
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particular quantifier — Logic. See existential quantifier … Useful english dictionary
Quantifier shift — A logical fallacy in which the quantifiers of a statement are erroneously transposed. The change in the logical nature of the statement may not be obvious when it is stated in a natural language like English. Definition The fallacious deduction… … Wikipedia
existential quantifier — Logic. a quantifier indicating that the sentential function within its scope is true for at least one value of the variable included in the quantifier. Also called particular quantifier. Cf. universal quantifier. [1935 40] * * * … Universalium
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
Noneism — is a theory in logic and metaphysics first coined by Richard Routley and appropriated again in 2005 by Graham Priest[1]. It holds that there are some things that do not exist. That is, we can quantify over non existent things using the particular … Wikipedia
formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions. [1855 60] * * * Introduction the abstract study of propositions, statements, or assertively used … Universalium
First-order logic — is a formal logical system used in mathematics, philosophy, linguistics, and computer science. It goes by many names, including: first order predicate calculus, the lower predicate calculus, quantification theory, and predicate logic (a less… … Wikipedia
Method of analytic tableaux — A graphical representation of a partially built propositional tableau In proof theory, the semantic tableau (or truth tree) is a decision procedure for sentential and related logics, and a proof procedure for formulas of first order logic. The… … Wikipedia
Model theory — This article is about the mathematical discipline. For the informal notion in other parts of mathematics and science, see Mathematical model. In mathematics, model theory is the study of (classes of) mathematical structures (e.g. groups, fields,… … Wikipedia
Singular they — is a popular, non technical expression for uses of the pronoun they (and its inflected forms) when plurality is not required by the context. The Chicago Manual of Style notes: On the one hand, it is unacceptable to a great many reasonable readers … Wikipedia
