Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1: 63

Answer

true

Work Step by Step

$\{3\}$ ∊ $\{3, 4\}$ This statement is true, as $3$, which is the only element in the set on the left, is also an element of the set on the right.
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