Two sets and are disjoint if their intersection , where is the empty set. sets , , ..., are disjoint if for . For example, and are disjoint, but and are not. Disjoint sets are also said to be mutually exclusive or independent.

# Disjoint Sets

## See also

Empty Set, Independent Set, Intersection, Set## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Disjoint Sets." From
*MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/DisjointSets.html