**What is Disjoint set in math**: In mathematics, a **disjoint set** is a collection of sets that have no elements in common.

For example, the sets {1, 2, 3}, {4, 5, 6}, and {7, 8, 9} are **disjoint sets**, because none of them have any elements in common.

**What is Disjoint set in math**: In mathematics, a **disjoint set** is a collection of sets that have no elements in common.

For example, the sets {1, 2, 3}, {4, 5, 6}, and {7, 8, 9} are **disjoint sets**, because none of them have any elements in common.