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: 52

Answer

false

Work Step by Step

$\{1, 4\} \not\subset \{4, 1\}$ This is false, as these sets are equal. A set cannot be a proper subset of a set that it is equal to.
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