Across
- 4. Elements in both A and B
- 5. A is contained in B
- 7. Ordered pair
- 11. A but not B
- 12. Belongs to a set
- 13. Subset, but not equal
- 14. PAIR (a,b)
- 15. Sets with same members
Down
- 1. In A or B, but not both
- 2. All subsets
- 3. Does not belong
- 6. Elements in A or B
- 8. Contains another set
- 9. Elements not in A
- 10. A is not a subset of B