SET THEORY SYMBOLS

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Across
  1. 5. set P(A)
  2. 8. difference A△B
  3. 10. product A×B
  4. 12. set U
  5. 13. of A∈B
  6. 14. element of A∉B
Down
  1. 1. set A⊃B
  2. 2. A = B
  3. 3. set ∅
  4. 4. pair (a,b)
  5. 6. {}
  6. 7. AUB
  7. 8. A⊆B
  8. 9. AB
  9. 11. complement A\B