Set Theory Symbols

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Across
  1. 2. such that
  2. 6. all the objects that do not belong to set A
  3. 7. the number of elements of set A
  4. 8. set A includes set B
  5. 10. ℝ
  6. 12. set A is included in set B.
  7. 13. objects that belong to set A or set B
  8. 14. U
Down
  1. 1. both sets have the same members
  2. 3. objects that belong to set A and set B
  3. 4. Ø
  4. 5. infinite cardinality of natural numbers set
  5. 6. A×B
  6. 9. ℚ
  7. 11. ℂ
  8. 12. a collection of elements