Definition of existential quantifier in English:

existential quantifier

Syllabification: ex·is·ten·tial quan·ti·fi·er

noun

Logic
A formal expression used in asserting that something exists of which a stated general proposition can be said to be true.
More example sentences
  • By contraposition and the definition of the existential quantifier, the latter axiom is equivalent to x = x y (y = x).
  • The epsilon calculus is, in its most basic form, an extension of first-order predicate logic with an ‘epsilon operation’ that picks out, for any true existential formula, a witness to the existential quantifier.
  • In each case, the proposition expressed is argued to be that which would be expressed if the indefinite determiner were replaced by the existential quantifier.

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