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: 57

Answer

All the subsets for the given sets are { }, {t}, {a}, {b}, {t,a}, {a,b}, {t,b}, {t,a,b}

Work Step by Step

Empty set is the subset of every set: { }, Single element subsets are: {t}, {a}, {b}, Two element subsets are: {t,a}, {a,b}, {t,b}, Every set is subset of itself: {t,a,b} All the subsets for the given sets are { }, {t}, {a}, {b}, {t,a}, {a,b}, {t,b}, {t,a,b}
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