existential quantifier

n (Logic) logic a formal device, for which the conventional symbol is ∃, which indicates that the open sentence that follows is true of at least one member of the relevant universe of interpretation, as (∃x) Fx meaning "something is (an) F," "something Fs," or "there are (some) Fs."

ex′isten′tial quan′tifier

n.
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. [1935–40]

Thesaurus

Noun

existential quantifier - a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is trueexistential operatorlogical quantifier, quantifier - (logic) a word (such as `some' or `all' or `no') that binds the variables in a logical proposition

Translations

existential quantifier

[‚eg·zə¦sten·chəl ′kwän·tə‚fī·ər] (mathematics) A logical relation, often symbolized ∃, that may be expressed by the phrase “there is a” or “there exists”; if P is a predicate, the statement (∃ x) P (x) is true if there exists at least one value of x in the domain of P for which P (x) is true, and is false otherwise.