Answer
A) YES
B) NO
C) YES
D) NO
Work Step by Step
A) abaa R abba, ab == ab, hence true
B) aabb R bbaa, aa != bb, hence false
C) aaaa R aaab, aa == aa, hence true
D) baaa R abaa, ba != ab, hence false
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
Published by
Cengage Learning
ISBN 10:
0-49539-132-8
ISBN 13:
978-0-49539-132-6
Chapter 8 - Relations - Exercise Set 8.1 - Page 448: 8
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