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 - Page 68: 6


{Mercury, Venus, Earth} ⊄ {Venus, Earth, Mars, Jupiter}

Work Step by Step

As 'Mercury' of the first set is not present in the second case. Therefore {Mercury, Venus, Earth} ⊄ {Venus, Earth, Mars, Jupiter}
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