Across
- 1. collection of 2 elements (a,b)
- 3. all the objects that do not belong to set A
- 5. the number of elements of set A |A|
- 6. the number of elements of set A #A
- 8. A ⊆ B
- 11. cardinality of countable ordinal numbers set
- 12. A is a superset of B. set A includes set B
- 14. such that |
- 15. set of all possible values
Down
- 2. Ø = { }
- 4. both sets have the same members A = B
- 7. set A is not a subset of set B A ⊄ B
- 9. infinite cardinality of natural numbers set
- 10. objects that belong to set A and set B
- 13. a collection of elements { }