Across
- 4. Two sets are equal if they contain exactly the same elements.
- 5. of two sets is the set of all elements that are in either set, but not in both.
- 9. is a subset that is not equal to the original set.
- 14. of a set A with respect to a set B is the set of all elements that are in A but not in B.
- 15. is the cardinality of the set of natural numbers.
Down
- 1. of a set is the set of all elements that are not in the original set, but are in a universal set.
- 2. is the number of elements in a set.
- 3. is a set that contains no elements.
- 6. two sets is a set that contains only the elements that are common to both sets.
- 7. is a pair of elements where the order matters.
- 8. is a set that contains all the elements of another set.
- 10. of a set is the set of all possible subsets of that set, including the empty set and the set itself.
- 11. is the number of elements in a set.
- 12. of two sets is a set that contains all the elements of both sets.
- 13. is a well-defined collection of distinct objects.