Match the vocabulary word with its definition.

1. a set containing elements in common for all sets being considered.
subset
2. the elements in the universe that are not in the set
intersection of sets
3. a set containing all elements of all sets being considered.
proper subset
4. any set whose elements can be counted
complement of a set
5. sets that have no common elements, whose intersection is { }.
finite set
6. a set that contains only elements found in another set
union of sets
7. a subset that does not contain every element in another set
disjoint sets