∪ (union)

Gives the union of two sets.

Syntax

If A and B are sets, then A ∪ B is the union of A and B.

The ∪ operator is implemented by the union function.

A ≔ { 1, 2, 3, 4, 5 }

{4, 5, 1, 2, 3}

B ≔ { 0, 2, 4, 6, 8, 10 }

{4, 6, 10, 2, 8, 0}

A ∪ B

{6, 10, 2, 3, 4, 5, 1, 8, 0}