Master Mind

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Across
  1. 3. The set of elements which are in 'A' or 'B' or in both.
  2. 5. All the elements in the set except itself
  3. 8. The set containing all objects or elements and of which all other sets are subsets
  4. 9. This notation is a list of elements, separated by commas and enclosed by curly braces.
Down
  1. 1. Set have no elements in common
  2. 2. A set with a countable number of elements.
  3. 4. A diagram representation in Set theory
  4. 6. Another name for objects in the set
  5. 7. A set of which all the elements are contained in another set