# Operations in Set theory

An operation in set theory is a function of two sets, that returns a set.

Common set operations include Union ($\cup$), Intersection ($\cap$), Relative complement ($\setminus$), and Cartesian product ($\times$).

Children:

- Cartesian product
- Absolute Complement
- Union
The union of two sets is the set of elements which are in one or the other, or both

- Intersection
The intersection of two sets is the set of elements they have in common

- Relative complement

Parents:

- Set
An unordered collection of distinct objects.