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: 108

Answer

This statement makes sense.

Work Step by Step

As we've shown in Exercises 93-98, this statement makes sense. Any combination of books you can bring is a subset of the set of all books you have, and all the subsets have a combination of books that you could bring. The number of distinct subsets is therefore equal to the number of different combinations of books you could take. This statement makes sense.
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