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: 61

Answer

15

Work Step by Step

For the subsets for the given set {2,4,6,8} Total number of subsets are: 2^{4} = 16 Among these 16 subsets we know one subset is the given set itself, so total number of proper subsets are = 16 - 1 = 15.
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