SET THEORY

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Across
  1. 2. (a,b)
  2. 4. set all possible values
  3. 6. Ø
  4. 8. set A is included in set B
  5. 10. all subset of A
  6. 11. A=B
  7. 13. Set A is not a subset of set B
  8. 14. element of
  9. 15. #A
Down
  1. 1. all objects that do not belong to set A
  2. 3. A–B
  3. 5. A/B
  4. 7. {}
  5. 9. objects that belong to set A or set B
  6. 12. infinite cardinality