generated at
existential quantification
存在量化
存在記号
Existential clause
Existence theorem
First-order logic
Lindström quantifier
List of logic symbols – for the unicode symbol ∃
Quantifier variance
Uniqueness quantification

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Google定義検索 existential quantification
wikipediaexistential quantification
weblio existential quantification
kotobank existential quantification
jisho existential quantification