Question

Henry has made 5 paintings. Their titles are the set P = {Home, Portrait of my Puppy, Mom and Dad, Flowers, The Park, The Museum}. He has sold the paintings S={Home, Portrait of my Puppy, The Park, Flowers}. How many paintings in the set ~S are of a place?

Answer 1

S=2   Because ~S is the compliment of the set S, or the items that are NOT in set S.

Answer 2

~S is the compliment of the set S, or the items that are NOT in set S.
So..how many painting in set P are of places? 2