Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.2 Subsets - Exercise Set 2.2 - Page 70: 107


This statement doesn't make sense.

Work Step by Step

The exercises 93-98 were all solved using the formula for the number of subsets ($2^n$). The fact that there are different situations may make the problems seem different, but the concepts in set theory are applicable to many real world problems, including the ones for problems 93-98. The original statement doesn't make sense.
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