SET THEORY
Across
- 2. A ⊇ B
- 4. ℵ
- 5. all the objects that do not belong to set A
- 9. A = B
- 11. a collection of elements
- 12. A ∩ B
- 14. Ø
Down
- 1. set of all possible values
- 3. ∈
- 5. |A|
- 6. A ∆ B
- 7. cardinality of countable ordinal numbers set
- 8. infinite cardinality of natural numbers set
- 10. A ∪ B
- 13. A ⊆ B