Solutions for Analysis with an Introduction to Proof, 6th edition by Steven R. Lay , All Chapters

Analysis with an Introduction to Proof, 6th edition




SOLUTIONS
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Analysis with an
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Introduction to Proof,
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6th edition
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Authors:
Steven R. Lay
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◊ ALL CHAPTERS
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MEDCONNOISSEUR

, Instructor’s Solutions Manual
to accompany
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ANALYSIS
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with an Introduction
to Proof
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6th Edition
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Steven R. Lay and Richard G. Ligo
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Lee University Gannon University
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© Copyright 2024 by Pearson Education, Inc. or its affiliates
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Upper Saddle River, New Jersey 07458
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Copyright © 2024 by Pearson Education, Inc. or its affiliates

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This manual is intended to accompany the 6th edition of Analysis with an Introduction to Proof
by Steven R. Lay and Richard G. Ligo (Pearson, 2023). It contains solutions to nearly every exercise
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in the text. Those exercises that have hints (or answers) in the back of the book are numbered in bold
print, and the hints are included here for reference. While many of the proofs have been given in full
detail, some of the more routine proofs are only outlines. For some of the problems, other approaches
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may be equally acceptable. This is particularly true for those problems requesting a counterexample.
We have not tried to be exhaustive in discussing each exercise, but rather to be suggestive.
Let us remind you that the starred exercises are not necessarily the more difficult ones. They
are the exercises that are used in some way in subsequent sections. There is a table on page 3 that
indicates where starred exercises are used later. The following notations are used throughout this
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manual:
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ℕ = the set of natural numbers {1, 2, 3, 4, …}
ℚ = the set of rational numbers
R = the set of real numbers
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∀ = “for every”
∃ = “there exists”
∋ = “such that”
We have tried to be accurate in the preparation of this manual, but unfortunately, some mistake will
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inadvertently slip by. I would appreciate having any errors in this manual or the text brought to my
attention.

Richard G. Ligo
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Copyright © 2024 by Pearson Education, Inc. or its affiliates

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Table of Starred Exercises
Note: The prefix P indicates a practice problem, the prefix E indicates an example, the prefix T refers to a
theorem or corollary, and the absence of a prefix before a number indicates an exercise.
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Starred Starred
Exercise Later Use Exercise Later use
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2.1.26 T3.4.11 4.3.14 4.4.5
2.2.10 2.4.26 4.4.10 8.2.15
2.3.32 2.5.3 4.4.16 8.3.10
3.1.3 E7.1.8 4.4.17 T8.3.4
3.1.4 7.1.7 5.1.16 6.2.8
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3.1.6 E8.1.2 5.1.18 T6.2.12
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3.1.7 4.3.10, 4.3.15, E8.1.10, T9.2.11 5.1.20 5.2.14, 5.3.17
3.1.8 P8.1.5 5.1.21 5.2.17
3.1.24 4.1.7f, E5.3.8 5.2.10 T7.2.8
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3.1.27 3.3.16 5.2.11 7.2.9b
3.1.30b 3.3.13, E4.1.12, 4.3.15 5.2.13 T5.3.6, T6.1.7, 7.1.14
3.2.6a 4.1.9a, T4.2.1, 6.2.23, 7.2.16, T9.2.11 5.2.16 9.2.15
3.2.6b T6.3.8 5.3.14b T6.2.11, T6.2.13
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3.2.6c T4.1.16 6.1.6 6.2.14, 6.2.19
3.2.7 T8.2.10 6.1.8 7.3.15
3.3.7 T7.2.4, 7.2.3 6.1.18b 6.4.10
3.3.14 7.1.15, T7.2.4 6.2.8 T7.2.1
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3.4.15 3.5.13, T4.3.12 6.3.15d 9.3.16
3.4.21 3.5.8 7.1.13 P7.2.5
3.5.9 9.2.15 7.1.14 7.2.5
3.6.13 5.5.9 7.1.17 7.2.17
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4.1.6b E4.2.2 7.2.9a P7.3.7
4.1.7f T4.2.7, 4.3.10, E8.1.10 7.2.11 T8.2.6
4.1.9a 5.2.10, 9.2.17 7.2.15 7.3.22
4.1.11 E4.3.4 7.2.20 E7.3.9
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4.1.12 5.1.17 8.1.7 E8.2.11
4.1.13 5.1.15 8.1.8 8.2.14
4.1.15b 4.4.11, 4.4.18, 5.3.13 8.1.13a 9.3.8
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4.1.16 5.1.17 8.2.12 9.2.7, 9.2.8
4.2.19 E6.4.6 8.2.15 T8.3.6
4.2.20 5.1.16, T9.1.10 9.1.15a 9.2.9
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Copyright © 2024 by Pearson Education, Inc. or its affiliates