∃
|
Translingual edit
Description edit
A horizontally reversed capital letter E.
Etymology edit
Introduced 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)".