Hello, you have come here looking for the meaning of the word
∃!. In DICTIOUS you will not only get to know all the dictionary meanings for the word
∃!, but we will also tell you about its etymology, its characteristics and you will know how to say
∃! in singular and plural. Everything you need to know about the word
∃! you have here. The definition of the word
∃! will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
∃!, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
Translingual
Symbol
∃!
- (mathematics) The symbol used in predicate calculus, etc, to represent the unique existential quantifier, meaning "there exists exactly one".
- (∃!x: P(x)) ↔ ∃x:(P(x) ∧ ∀y:(P(y) → (y = x)))
See also