SET THEORY SYMBOLS

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Across
  1. 2. all the objects that do not belong to set A
  2. 4. all subsets of A
  3. 5. Cartesian product
  4. 6. both sets have the same member
  5. 8. |A|
  6. 11. subset A ⊂ B
  7. 14. A ⊇ B
Down
  1. 1. A∪B
  2. 3. A ⊄ B
  3. 6. ∅
  4. 7. relative complement
  5. 9. equality
  6. 10. A ∩ B
  7. 12. a collection of elements
  8. 13. A ⊆ B