set

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Across
  1. 1. Its symbol is "|A|"
  2. 5. Its symbol is "A ⊇ B"
  3. 7. Its symbol is "A ∩ B"
  4. 9. Its symbol is "A ⊆ B"
  5. 12. A collection of elements
  6. 14. A numbers set with the symbol "Q"
  7. 15. A numbers set with the symbol "Z"
Down
  1. 2. Its symbol is "A ⊅ B"
  2. 3. Its symbol is "|"
  3. 4. Its symbol is "P(A)"
  4. 6. Its symbol is "A ⊄ B"
  5. 8. Its symbol is "Ø"
  6. 10. A numbers set with the symbol "C"
  7. 11. Its symbol is "A ∪ B"
  8. 13. Its symbol is "A = B"