SET THEORY

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Across
  1. 3. set A is not a subset of set B
  2. 4. { }
  3. 6. |
  4. 9. A=B
  5. 10. A∆B
  6. 12. set of all possible values
  7. 13. A U B
  8. 14. A-B
Down
  1. 1. all subjects of A
  2. 2. (a,b)
  3. 5. AxB
  4. 7. #A
  5. 8. infinite cardinality of natural numbers of set
  6. 10. A is a superset of B. set A includes set B
  7. 11. All the objects that do not belong to set A