SET THEORY
Across
- 4. A = B
- 5. A ⊆ B
- 7. (a,b)
- 9. |A|
- 10. A ∩ B
- 12. A is a superset of B. set A includes set B.
- 14. Ø
Down
- 1. a collection of elements
- 2. A ⊖ B
- 3. A ⊇ B
- 6. A ∪ B
- 8. objects that belong to set A or set B
- 11. A - B
- 12. A is a subset of B. set A is included in set B.
- 13. |