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