1. a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is true; [syn: existential quantifier, existential operator]
WordNet (r) 3.0 (2006):
existential operator
n 1: a logical quantifier of a proposition that asserts the
existence of at least one thing for which the proposition
is true [syn: existential quantifier, existential
operator]