Compendium Set Relation crossword puzzle

Edit Answers
123456789101112131415
Across
  1. 4. A=B
  2. 8. C
  3. 9. P(A)
  4. 10. set of all possible values
  5. 12. set A includes set B
  6. 14. objects that belongs to set A and set B
  7. 15. Ø
Down
  1. 1. collection of elements
  2. 2. infinite cardinality of natural numbers set
  3. 3. all the objects that don't belong to set A
  4. 5. AUB
  5. 6. cardinality of countable ordinal numbers set
  6. 7. #A
  7. 11. Q
  8. 13. set A is included in set B