quantifier [kwon-tuh-fahy-er] Word Origin noun
- Logic. an expression, as “all” or “some,” that indicates the quantity of a proposition.Compare existential quantifier, universal quantifier.
- a word, especially a modifier, that indicates the quantity of something.
Origin of quantifier First recorded in 1875–80; quantify + -er1 British Dictionary definitions for quantifier quantifier noun
- logic
- a symbol including a variable that indicates the degree of generality of the expression in which that variable occurs, as (∃ x) in (∃ x) Fx, rendered “something is an F”, (x) in (x)(Fx → Gx), rendered “all Fs are Gs”
- any other symbol with an analogous interpretationthe existential quantifier, (∃ x ), corresponds to the words “there is something, x, such that …”
- grammar a word or phrase in a natural language having this role, such as some, all, or many in English