SET THEORY SYMBOLS

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123456789101112131415
Across
  1. 4. A is a subset of B. set A is included in set B.
  2. 7. A is a subset of B, but A is not equal to B.
  3. 9. objects that belong to set A and set B
  4. 11. set membership
  5. 12. the number of elements of set A
  6. 15. objects that belong to A or B but not to their intersection
Down
  1. 1. objects that belong to A and not to B
  2. 2. A ⊅ B
  3. 3. A ⊇ B
  4. 5. objects that belong to set A or set B
  5. 6. all subsets of A
  6. 8. both sets have the same members
  7. 10. all the objects that do not belong to set A
  8. 13. such that
  9. 14. a collection of elements