Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.4 Set Operations and Venn Diagrams with Three Sets - Exercise Set 2.4: 112

Answer

does not make sense

Work Step by Step

The statement does not make sense. Although finding 50 examples of sets A and B where $(A\cup B)' = A' \cap B'$ may suggest that $(A\cup B)' = A' \cap B'$, it is not a valid proof that indeed, $(A\cup B)' = A' \cap B'$.
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