The set made by combining the elements of two sets.

So the union of sets A and B is the set of elements in A, or B, or both.

The symbol is a special "U" like this:

Example:

Soccer = {alex, hunter, casey, drew}

Tennis = {casey, drew, jade}

In words: the union of the "Soccer" and "Tennis" sets is alex, hunter, casey, drew and jade

So the union of sets A and B is the set of elements in A, or B, or both.

The symbol is a special "U" like this:

**∪**Example:

Soccer = {alex, hunter, casey, drew}

Tennis = {casey, drew, jade}

**Soccer ∪ Tennis = {alex, hunter, casey, drew, jade}**In words: the union of the "Soccer" and "Tennis" sets is alex, hunter, casey, drew and jade

See: Intersection (sets)

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