existential quantifiers

existential quantifier

noun 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.
Also called particular quantifier.


Origin:
1935–40

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World English Dictionary
existential quantifier
 
n
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."

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