Union Symbol

Symbol Format Data
Code Point
U+222A
TeX
\cup
SVG

Usage

The set union symbol (∪) is used in math to represent the union operator in set theory. Typically, the symbol is used in an expression like this:

In plain language, this means the union of the set A with the set B.

Related

The cap symbol is used in mathematics as the set intersection operator. It also is used in probability to represent the occurrence of two events.