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5. [2 Points] Use the listing method to describe the following sets.
(a) {reza23} - {x EZ|x 27}
(b) {rez|x 27) - {x EZ|x 23}
6. [8 Points] The first two rows of the following table show the bit vectors of sets A and B.
Complete the table with the bit vectors of sets A, AUB, An B, and B - A.
A
0
1
0
0
1
1
1
0
B
1
1
1
0
1
0
1
0
A
AUB
AnB
B - A
7. [6 Points] Shade the indicated regions of the following Venn diagrams.
B
B
B
AUC
BNC
(AnB) - C
B
B
B
A - (BUC)
C- (B-A)
(A UB) - AUB
8. [6 Points] Simplify each of the following expressions (your result may not include the set
difference operator '-').
(a) AUA
(b) AnB
(c) AUB
(d) Bn(AUB)

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