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Proofs Without Words III

Proofs Without Words III: Further Exercises in Visual Thinking

Roger B. Nelsen
Copyright Date: 2015
Edition: 1
Stable URL: http://www.jstor.org/stable/10.4169/j.ctt1bmzmvp
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    Proofs Without Words III
    Book Description:

    Proofs without words (PWWs) are figures or diagrams that help the reader see why a particular mathematical statement is true, and how one might begin to formally prove it true. PWWs are not new; many date back to classical Greece, ancient China, and medieval Europe and the Middle East. PWWs have been regular features of the MAA journals Mathematics Magazine and The College Mathematics Journal for many years, and the MAA published the collections of PWWs Proofs Without Words: Exercises in Visual Thinking in 1993 and Proofs Without Words II: More Exercises in Visual Thinking in 2000. This book is the third such collection of PWWs. The proofs in the book are divided by topic into five chapters: Geometry & Algebra; Trigonometry, Calculus & Analytic Geometry; Inequalities; Integers & Integer Sums; and Infinite Series & Other Topics. The proofs in the book are intended primarily for the enjoyment of the reader, however, teachers will want to use them with students at many levels: high school courses from algebra through precalculus and calculus; college level courses in number theory, combinatorics, and discrete mathematics; and pre-service and in-service courses for teachers.

    eISBN: 978-1-61444-121-2
    Subjects: Mathematics
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Table of Contents

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  1. Front Matter (pp. i-vi)
  2. Introduction (pp. vii-viii)
    Roger B. Nelsen

    About a year after the publication ofProofs Without Words: Exercises in Visual Thinkingby the Mathematical Association of America in 1993, William Dunham, in his delightful bookThe Mathematical Universe, An Alphabetical Journey through the Great Proofs, Problems, and Personalities(John Wiley & Sons, New York, 1994), wrote

    Mathematicians admire proofs that are ingenious. But mathematicians especially admire proofs that are ingenious and economical—lean, spare arguments that cut directly to the heart of the matter and achieve their objectives with a striking immediacy. Such proofs are said to be elegant.

    Mathematical elegance is not unlike that of other...

  3. Table of Contents (pp. ix-xiv)
  4. Geometry & Algebra (pp. 1-50)
  5. Trigonometry, Calculus, & Analytic Geometry (pp. 51-90)
  6. Inequalities (pp. 91-110)
  7. Integers & Integer Sums (pp. 111-150)
  8. Infinite Series & Other Topics (pp. 151-178)
  9. Sources (pp. 179-184)
  10. Index of Names (pp. 185-186)
  11. Back Matter (pp. 187-187)