Existence means that as long as one of a set is satisfied, any? It is an element that exists in a random set.

Any symbol (full name quantifier)? Derived from the English word Arbitrary, because lowercase and uppercase are easily confused, the first letter of the word is capitalized and then inverted.

Similarly, the symbol of existence (existential quantifier)? Reverse writing of e from the word Exist.

Extended data:

Existence is a mathematical noun, which mainly refers to the quantifier of existence.

Existential quantifiers correspond to universal quantifiers.

1, "some", "at least one", "one" and "existence" all have the meaning of expressing individuals or parts, and such words are called existential quantifiers.

2. Propositions containing existential quantifiers are called special propositions.