MATH
140 In-Class Exercise on Sets
Names____________________________________________________________
1. Let 
be the universal set.
Let 
be a given subset of U.
In the following you are to give an example of a set B that satisfies
the given condition or conditions.
There may be no such set possible.
In that case write “impossible”.
Remember that B is a subset of U.
a) 
b) 
c) 
d) 
e) 
f) 
g) 
h) 
i)
j) 
k) 
l) 
2. Let 
be the universal set.
Suppose that A, B, and C are sets which satisfy: 
a) Give an example of sets A, B, and C
such that 
(If possible)
A = {_________}, B = {___________}, C = {____________}
b) Give an example of sets A, B, and C such
that 
(If possible)
A = {_________}, B = {___________}, C = {____________}
c) Give an example of sets A, B, and C such
that 
(If possible)
A = {_________}, B = {___________}, C = {____________}
3. Draw Venn diagrams for the sets A and B
below and shade each of the following sets (in a different diagram). are any of these sets equal to each other?
