Sets, Relations and Functions
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.
does not consists of a definite number
3.
A ∩ B = φ
5.
does not contain any element
Down:
2.
consists of a definite number
4.
if every element of A is also an element of B
OK