Intersection Symbol

Symbol Format Data
Code Point
U+2229
TeX
\cap
SVG

Usage

The cap symbol is used in math to represent the set intersection operator. It also is used in probability to represent the occurence of two events. Typically, it is used in an expression like this:

In plain language, this means the intersection of the sets and .

Related

The set union symbol, also called the cup symbol, represents the union operator in set theory.