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Full Description
This text provides the fundamental concepts and techniques of real analysis for students in all of these areas. It helps one develop the ability to think deductively, analyze mathematical situations, and extend ideas to a new context. Like the first three editions, this edition maintains the same spirit and user-friendly approach with additional examples and expansion on Logical Operations and Set Theory. There is also content revision in the following areas: Introducing point-set topology before discussing continuity, including a more thorough discussion of limsup and limimf, covering series directly following sequences, adding coverage of Lebesgue Integral and the construction of the reals, and drawing student attention to possible applications wherever possible.
Contents
CHAPTER 1 PRELIMINARIES 1
1.1 Sets and Functions 1
1.2 Mathematical Induction 12
1.3 Finite and Infinite Sets 16
CHAPTER 2 THE REAL NUMBERS 23
2.1 The Algebraic and Order Properties of R 23
2.2 Absolute Value and the Real Line 32
2.3 The Completeness Property of R 36
2.4 Applications of the Supremum Property 40
2.5 Intervals 46
CHAPTER 3 SEQUENCES AND SERIES 54
3.1 Sequences and Their Limits 55
3.2 Limit Theorems 63
3.3 Monotone Sequences 70
3.4 Subsequences and the Bolzano-Weierstrass Theorem 78
3.5 The Cauchy Criterion 85
3.6 Properly Divergent Sequences 91
3.7 Introduction to Infinite Series 94
CHAPTER 4 LIMITS 102
4.1 Limits of Functions 103
4.2 Limit Theorems 111
4.3 Some Extensions of the Limit Concept 116
CHAPTER 5 CONTINUOUS FUNCTIONS 124
5.1 Continuous Functions 125
5.2 Combinations of Continuous Functions 130
5.3 Continuous Functions on Intervals 134
5.4 Uniform Continuity 141
5.5 Continuity and Gauges 149
5.6 Monotone and Inverse Functions 153
CHAPTER 6 DIFFERENTIATION 161
6.1 The Derivative 162
6.2 The Mean Value Theorem 172
6.3 L'Hospital's Rules 180
6.4 Taylor's Theorem 188
CHAPTER 7 THE RIEMANN INTEGRAL 198
7.1 Riemann Integral 199
7.2 Riemann Integrable Functions 208
7.3 The Fundamental Theorem 216
7.4 The Darboux Integral 225
7.5 Approximate Integration 233
CHAPTER 8 SEQUENCES OF FUNCTIONS 241
8.1 Pointwise and Uniform Convergence 241
8.2 Interchange of Limits 247
8.3 The Exponential and Logarithmic Functions 253
8.4 The Trigonometric Functions 260
CHAPTER 9 INFINITE SERIES 267
9.1 Absolute Convergence 267
9.2 Tests for Absolute Convergence 270
9.3 Tests for Nonabsolute Convergence 277
9.4 Series of Functions 281
CHAPTER 10 THE GENERALIZED RIEMANN INTEGRAL 288
10.1 Definition and Main Properties 289
10.2 Improper and Lebesgue Integrals 302
10.3 Infinite Intervals 308
10.4 Convergence Theorems 315
CHAPTER 11 A GLIMPSE INTO TOPOLOGY 326
11.1 Open and Closed Sets in R 326
11.2 Compact Sets 333
11.3 Continuous Functions 337
11.4 Metric Spaces 341
APPENDIX A LOGIC AND PROOFS 348
APPENDIX B FINITE AND COUNTABLE SETS 357
APPENDIX C THE RIEMANN AND LEBESGUE CRITERIA 360
APPENDIX D APPROXIMATE INTEGRATION 364
APPENDIX E TWO EXAMPLES 367
REFERENCES 370
PHOTO CREDITS 371
HINTS FOR SELECTED EXERCISES 372
INDEX 395
