{x|x ∈ A ∨ x ∈ B} = _____?

{x|x ∈ A ∨ x ∈ B} = _____?

Explanation

The expression {x|x ∈ A ∨ x ∈ B} represents the set of elements that are in A or in B or in both.

This is the definition of the union of two sets, denoted as A ∪ B.