∃
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Translingual
editDescription
editA horizontally reversed capital letter E.
Etymology
editIntroduced by Giuseppe Peano in Formulaire de mathematiqués (1897), from the uppercase Latin letter E. The modern variable-binding syntax first appeared in Principia Mathematica (1910).
Symbol
edit∃
- (mathematics, logic) The existential quantifier, meaning "there exists (at least one)".