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existential quantifier |
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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”; ifPis a predicate, the statement (∃x)P(x) is true if there exists at least one value ofxin the domain ofPfor whichP(x) is true, and is false otherwise.
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