Sets
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1
2
3
4
5
Check
Across:
1.
contains the end points
3.
∩
5.
∪
Down:
2.
does not contains the end points
4.
All elements (from a Universal set) NOT in our set
OK