Varsity Tutors always has a different Set Theory Question of the Day ready at your disposal! If you’re just looking to get a quick review into your busy day, our Set Theory Question of the Day is the perfect option. Answer enough of our Set Theory Question of the Day problems and you’ll be ready to ace the next test. Check out what today’s Set Theory Question of the Day is below.

Question of the Day: Set Theory

For a bijective function  from set  to set  defined by , which of the following does NOT need to be true?

Every element of  must map to one or more elements of .

Every element of  must map to one or more elements of .

No element of  may map to multiple elements of .

All of the conditions here must be true.

No element of  may map to multiple elements of .

Learning Tools by Varsity Tutors