set theory

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Across
  1. 3. set which is not finite.
  2. 5. combinatoin of a and b
  3. 6. common elements
  4. 7. set of all subset
  5. 8. set containing sub elements of
  6. 9. collection of unorded pair of elements
Down
  1. 1. set of elements which are not in given set
  2. 2. combine of all sets
  3. 3. it is a collection of distinct elements
  4. 4. all the elements of the set B belong to set A,the set B is called as ____ of set A
  5. 5. set containing all elements