Across
- 4. sets that are exactly the same
- 6. everything in A is in B, but A does not equal B
- 8. sets with the same amount of elements
- 9. what two sets have in common
Down
- 1. earth measure
- 2. a statement which can be proven
- 3. elements from the universal set which are not in a given set
- 5. objects in a set
- 7. noncoplanar lines which do not intersect and are not parallel