Set Theory Symbols

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Across
  1. 3. Combination of two sets.(5 letters)
  2. 6. Set of all possible values.(12 letters)
  3. 7. Cardinality of countable ordinal number set.(9 letters)
  4. 10. A set that does not contain any element.(∅)
  5. 11. Set of all elements which are common to both A and B.(12 letters)
  6. 12. A collection of elements.(3 letters)
  7. 14. Both sets have the same member.(8 letters)
  8. 15. The number of element of set A.(11 letters)
Down
  1. 1. All the objects that do not belong to set A.(10 letters)
  2. 2. All subsets of A.(8 letters)
  3. 4. Sets whose elements are contained within another set.(6 letters)
  4. 5. Collection of two elements.(11 letters)
  5. 8. Infinite cardinality of natural number set.(10 letters)
  6. 9. Set A is not a subset of set B.(9 letters)
  7. 13. Set membership.(9 letters)