SETS

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Across
  1. 2. every object which is included in a set
  2. 4. a set may be expressed using this kind of bracket
  3. 6. a set which has no member
  4. 9. set of numbers that start from 1
  5. 10. collection of objects which can be clearly defined
Down
  1. 1. set of numbers that start from 0
  2. 3. one of three ways to describe a set
  3. 5. numbers which have more than two factors
  4. 7. a set which contains all members of the sets under consideration
  5. 8. numbers which have exactly two factors