Across
- 2. acollection of elements
- 5. set of all ordered pairs from a and b
- 7. ℤ
- 9. object that belong to set A and set B
- 11. Q
- 12. both sets have the same members
- 14. A is a superset of B, set A includes set B
- 15. the number of elements of set A
Down
- 1. ∅
- 3. all the objects that do not belong to set A
- 4. all subset of A
- 6. infinite cardinality of natural numbers set
- 8. object that belong to set A or set B
- 10. A is a subject a B, but A is included in a set B
- 13. infinite cardibality of natural number set