To identify the complement of a set \(P\) on a Venn diagram: \(P'\) is the region outside the circle that represents set \(P\).

Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure ...

This is the total of the people that are not in the set of people who own a cat (the complement of cat owners). Make sure that the number of elements in the Venn diagram is equal to the number of ...