Concept information
Preferred term
quantifier
Definition
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In logic, a quantifier is an operator that specifies how many individuals in the domain of discourse satisfy an open formula. For instance, the universal quantifier ∀ in the first order formula ∀ x P(x) expresses that everything in the domain satisfies the property denoted by P. On the other hand, the existential quantifier ∃ in the formula ∃ x P(x) expresses that there exists something in the domain which satisfies that property. A formula where a quantifier takes widest scope is called a quantified formula. A quantified formula must contain a bound variable and a subformula specifying a property of the referent of that variable.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Quantifier_(logic))
Broader concept
In other languages
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French
URI
http://data.loterre.fr/ark:/67375/PSR-D5C3Z49W-5
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