Mathematics for IGCSE & O level - Sets (Section 3 - No. 30)

What does the shaded area in a Venn diagram represent if P and Q are two sets and the shaded area covers everything outside of both sets?

P ∪ Q

P ∩ Q

(P ∪ Q)'

P' ∪ Q'

The shaded area outside both circles (P and Q) represents the complement of the union (P ∪ Q)'.