existential quantifier(redirected from Existential quantification)
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(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."
a quantifier indicating that the sentential function within its scope is true for at least one value of the variable included in the quantifier.
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|Noun||1.||existential quantifier - a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is true|