Set theory 575

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Across
  1. 1. All the elements of set 1&2
  2. 4. Set with no elements present in it
  3. 5. Collection of elements those are not present in set
  4. 7. Set 1 having all elements from set 2
  5. 8. Total number of elements present in Set
  6. 10. Set having Finite number of elements in it
  7. 11. Set having single element in it
  8. 12. Elements present in both set 1&2 but not in both
Down
  1. 2. Set having infinite number of elements in it
  2. 3. Set 1&2 having only single common element
  3. 6. Set 1&2 having exactly same elements
  4. 9. Common elements of set 1&2