Set Theory
Across
- 1. Difference - ∖ or −
- 6. Builder Notation - {x∣P(x)} (the set of all xxx such that P(x) is true)
- 9. Set - U or U
- 11. or Equal - ⊇
- 12. of - ∈
- 13. an Element of - ∈
- 16. Product - ×
Down
- 2. Set - ∅\ or {}
- 3. - ⊃
- 4. - Ac or Aˉ
- 5. Sets - ∩=∅\cap (often used to denote that two sets have no elements in common)
- 7. - ⊂
- 8. or Equal - ⊆
- 10. - ∩
- 14. - ∪
- 15. Set - P(A) or 2A