Union

The combination of two or more sets into a new, single set that contains all the distinct elements present in any of the original sets.

Example

If $A = \{1, 2, 3\}$ and $B = \{3, 4, 5\}$, the union of $A$ and $B$, denoted as $A \cup B$, is $\{1, 2, 3, 4, 5\}$.

See Also

• Intersection
• Set
• Venn Diagram