SET THEORY SYMBOLS

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Across
  1. 2. set of all possible values
  2. 4. A ⊆ B
  3. 7. A \ B
  4. 11. A×B
  5. 12. A ⊂ B
  6. 14. No set membership
  7. 15. A ∪ B
Down
  1. 1. (a,b)
  2. 3. A=B
  3. 5. A ∩ B
  4. 6. All subsets of A
  5. 8. ∅
  6. 9. #A
  7. 10. {}
  8. 13. Set membership