Set Theory Symbols

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Across
  1. 2. A⊆B (A is a subset of B. set A is included in set B)
  2. 6. set of all possible values
  3. 8. 2A (all subsets of A)
  4. 9. { } (a collection of elements)
  5. 11. A=B (both sets have the same members)
  6. 12. (a,b)collection of 2 elements
  7. 13. | such that
  8. 14. #A (the number of elements of set A)
Down
  1. 1. A⊅B (set A is not a superset of set)
  2. 3. Ø = { }
  3. 4. A⊂B(A is a subset of B, but A is not equal to B)
  4. 5. A⋃B (objects that belong to set A or set B)
  5. 7. A⋂B (objects that belong to set A or set B)
  6. 9. A⊇B (A is a superset of B. set A includes set B)
  7. 10. Ø