But if Z = , i.e. the symmetrical difference, which is what is in set A but not B, and what is in set B but not A, how can it ever equal Ø if they are non-empty? Would they not always have some elements in the sets?
But if Z = , i.e. the symmetrical difference, which is what is in set A but not B, and what is in set B but not A, how can it ever equal Ø if they are non-empty? Would they not always have some elements in the sets?