What is the complement of set $A$A?
The set of all the elements in the universal set that appear exactly once in set $A$A.
The set of all the elements that appear more than once in set $A$A.
The set of all the elements in the universal set that are not in set $A$A.
The set of all the elements in the universal set that are in set $A$A.
What is the union of set $A$A and set $B$B?
What is the intersection of set $A$A and set $B$B?
What is the difference of two sets $A$A and $B$B?