Across
- 3. such that
- 6. a collection of elements
- 9. set A includes set B
- 11. A×B
- 12. the number of elements of set A
- 14. objects that belong to set A and set B
Down
- 1. set A is included in set B.
- 2. ℂ
- 4. all the objects that do not belong to set A
- 5. both sets have the same members
- 7. ℚ
- 8. ℝ
- 10. objects that belong to set A or set B
- 13. infinite cardinality of natural numbers set