Set Theory Symbols

123456789101112131415
Across
  1. 4. A ∩ B
  2. 6. A ⊆ B
  3. 8. complement A \ B
  4. 10. A = B
  5. 11. product A×B
  6. 14. pair (a,b)
  7. 15. {}
Down
  1. 1. A ∪ B
  2. 2. |A|
  3. 3. element of a∉A
  4. 5. set Ø
  5. 7. A ⊇ B
  6. 9. of a∈A
  7. 12. difference A ∆ B
  8. 13. subset A ⊄ B