Master Mind

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