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