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: 90

Answer

true

Work Step by Step

If x∊D, then x ∉ R. The above statement cannot be true. A democrat cannot be a Republican at the same time.
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