From Counting to Continuum: What Are Real Numbers, Really?
Understanding the natural numbers, which we use to count things, comes naturally. Meanwhile, the real numbers, which include a wide range of numbers from whole numbers to fractions to exotic ones like p, are, frankly, really difficult to describe rigorously. Instead of waiting to take a theorem-proo...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | Undetermined |
| Veröffentlicht: |
New York
Cambridge University Press
2024
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| Zusammenfassung: | Understanding the natural numbers, which we use to count things, comes naturally. Meanwhile, the real numbers, which include a wide range of numbers from whole numbers to fractions to exotic ones like p, are, frankly, really difficult to describe rigorously. Instead of waiting to take a theorem-proof graduate course to appreciate the real numbers, readers new to university-level mathematics can explore the core ideas behind the construction of the real numbers in this friendly introduction. Beginning with the intuitive notion of counting, the book progresses step-by-step to the real numbers. Each sort of number is defined in terms of a simpler kind by developing an equivalence relation on a previous idea. We find the finite sets' equivalence classes are the natural numbers. Integers are equivalence classes of pairs of natural numbers. Modular numbers are equivalence classes of integers. And so forth. Exercises and their solutions are included |
| Beschreibung: | Preface; 0. Prelude; 1. Fundamentals; 2. N: natural numbers; 3. Z: integers; 4. Zm: modular arithmetic; 5. Q: rational numbers; 6. R: real numbers I, Dedekind cuts; 7. R: real numbers II, Cauchy sequences; 8. R: real numbers III, complete ordered fields; 9. C: complex numbers; 10. Further extensions; Answers to exercises; Bibliography; Index |
| Beschreibung: | 228 Seiten |
| ISBN: | 9781009538671 |
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| 520 | |a Understanding the natural numbers, which we use to count things, comes naturally. Meanwhile, the real numbers, which include a wide range of numbers from whole numbers to fractions to exotic ones like p, are, frankly, really difficult to describe rigorously. Instead of waiting to take a theorem-proof graduate course to appreciate the real numbers, readers new to university-level mathematics can explore the core ideas behind the construction of the real numbers in this friendly introduction. Beginning with the intuitive notion of counting, the book progresses step-by-step to the real numbers. Each sort of number is defined in terms of a simpler kind by developing an equivalence relation on a previous idea. We find the finite sets' equivalence classes are the natural numbers. Integers are equivalence classes of pairs of natural numbers. Modular numbers are equivalence classes of integers. And so forth. Exercises and their solutions are included | ||
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| spelling | Scheinerman, Edward Verfasser aut From Counting to Continuum What Are Real Numbers, Really? New York Cambridge University Press 2024 228 Seiten txt rdacontent n rdamedia nc rdacarrier Preface; 0. Prelude; 1. Fundamentals; 2. N: natural numbers; 3. Z: integers; 4. Zm: modular arithmetic; 5. Q: rational numbers; 6. R: real numbers I, Dedekind cuts; 7. R: real numbers II, Cauchy sequences; 8. R: real numbers III, complete ordered fields; 9. C: complex numbers; 10. Further extensions; Answers to exercises; Bibliography; Index Understanding the natural numbers, which we use to count things, comes naturally. Meanwhile, the real numbers, which include a wide range of numbers from whole numbers to fractions to exotic ones like p, are, frankly, really difficult to describe rigorously. Instead of waiting to take a theorem-proof graduate course to appreciate the real numbers, readers new to university-level mathematics can explore the core ideas behind the construction of the real numbers in this friendly introduction. Beginning with the intuitive notion of counting, the book progresses step-by-step to the real numbers. Each sort of number is defined in terms of a simpler kind by developing an equivalence relation on a previous idea. We find the finite sets' equivalence classes are the natural numbers. Integers are equivalence classes of pairs of natural numbers. Modular numbers are equivalence classes of integers. And so forth. Exercises and their solutions are included |
| spellingShingle | Scheinerman, Edward From Counting to Continuum What Are Real Numbers, Really? |
| title | From Counting to Continuum What Are Real Numbers, Really? |
| title_auth | From Counting to Continuum What Are Real Numbers, Really? |
| title_exact_search | From Counting to Continuum What Are Real Numbers, Really? |
| title_full | From Counting to Continuum What Are Real Numbers, Really? |
| title_fullStr | From Counting to Continuum What Are Real Numbers, Really? |
| title_full_unstemmed | From Counting to Continuum What Are Real Numbers, Really? |
| title_short | From Counting to Continuum |
| title_sort | from counting to continuum what are real numbers really |
| title_sub | What Are Real Numbers, Really? |
| work_keys_str_mv | AT scheinermanedward fromcountingtocontinuumwhatarerealnumbersreally |