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Q.E.D.: Beauty in Mathematical Proof (Wooden Books Gift Book) [Paperback]

Burkard Polster
5.0 out of 5 stars  See all reviews (2 customer reviews)
RRP: £5.99
Price: £4.79 & this item Delivered FREE in the UK with Super Saver Delivery. See details and conditions
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Book Description

1 Nov 2006 Wooden Books Gift Book
Which famous proof did Archimedes inscribe on his tombstone?

How and why do the most simple knots make perfect pentagons?

Have you ever seen a proof so totally that it just appears obvious?

In this delicious little book, top mathemagician, Dr Polster, presents some of the most visually intuitive and exciting proofs from the dusty annals of mathematical history. See if you can follow the logic, before jumping into pure mathemagnosis and experiencing a eureka-moment for yourself!

--This text refers to an out of print or unavailable edition of this title.

Frequently Bought Together

Q.E.D.: Beauty in Mathematical Proof (Wooden Books Gift Book) + Golden Section (Wooden Books Gift Book) + Symmetry: The Ordering Principle (Wooden Books Gift Book)
Price For All Three: £14.37

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Product details

  • Paperback: 64 pages
  • Publisher: Wooden Books (1 Nov 2006)
  • Language: English
  • ISBN-10: 190426350X
  • ISBN-13: 978-1904263500
  • Product Dimensions: 12.2 x 15.4 cm
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Bestsellers Rank: 31,526 in Books (See Top 100 in Books)

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Most Helpful Customer Reviews
10 of 12 people found the following review helpful
5.0 out of 5 stars Great wee books 29 Sep 2009
Format:Paperback
This series of books are very very satisfying. I am a maths teacher and enjoy seeing mathematical stuff in an entertaining format. Even if you are not into maths I think these books would show you why maths is so great. Totally recommend these to all ages and levels of ability.
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2 of 3 people found the following review helpful
5.0 out of 5 stars big fan of the wooden books 29 Sep 2011
Format:Paperback|Amazon Verified Purchase
I love the wooden books. I have always been interested in some of the more sacred geometry but could was uninspired at school by the dry mathematics taught. The wooden books have opened up for me the world of mathematics, This book was absolutely brilliant.
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Amazon.com: 4.3 out of 5 stars  15 reviews
62 of 63 people found the following review helpful
5.0 out of 5 stars Pond-jumper is all wet 9 April 2005
By Mathsguy - Published on Amazon.com
Format:Hardcover
Sigh! Unlike the reviewer pond-jumper, I have actually read "QED", in the proper sense. In fact, I have proofread it. Being a colleague of the author, I am hardly an unbiased reviewer, and though I regard "QED" as a gem of a book, the potential buyer needn't accept my opinion. Please peek inside "QED" to judge for yourselves.

What I would like to do is to address pond-jumper's criticisms of "QED". To begin, he (it's gotta be a he) objects to the author's characterisation of a mathematical proof. pond-jumper doesn't specify his worry here, but it is fair enough to be concerned or confused over exactly what constitutes a mathematical proof: mathematicians and philosophers have been debating this for thousands of years, and there is plenty of room for disagreement. The approach in "QED" is to avoid the pedantry, to emphasise the clear, intuitive ideas at the heart of some mathematical theorems. As such, the book does not contain completely rigorous proofs, with the last I's and T's dotted and crossed. But the arguments are clear and convincing (and beautiful), AND the arguments are correct: the mathematicians/pedants CAN easily fill in the details if they so wish. There is no sleight of hand in "QED", no "professor's trick".

pond-jumper's substantive complaint is that the author's proof that .9999999... = 1 is incorrect. In fact, the author is absolutely correct; I will briefly explain how pond-jumper has led himself astray.

Any use of infinity is problematic, prone to confusion, and infinite decimals are no exception: in high school (and, sadly, often at university), the difficulties are simply ignored. Here, the question is, what happens to .999...999... when it is multiplied by 10? The author (correctly) claims the result is 9.999...999..., each 9 moving one place to the left. pond-jumper claims that "a 0 (ZERO, not nine) fills in at the end", giving the result 9.999...9990. This is his mistake: neither a 0 nor a 9 is placed at "the end", because there is no end! That is what the dots after the last 9 indicate, that the pattern goes on forever, without end. It's pond-jumper's leaving off those dots (writing .999...999 instead of .999...999...) which has permitted his error.

It surprises many people that .999...999... could equal 1; in fact pond-jumper claims that it is impossible, that "a fundamental premise of mathematics is that no number is equal to any other number". Here, pond-jumper confuses the number 1 with the possible REPRESENTATIONS of that number. For example, the "fraction" 5/5 is the same number 1, even though it looks very different on the page. The same is at least possible for .999...999..., and it is in fact true.

Of course, none of what I have written here PROVES that .999...999... equals 1: for that, I urge the potential buyer to peek inside "QED", to see for themselves this (six pages in), and many other, beautiful proofs.
18 of 18 people found the following review helpful
5.0 out of 5 stars I want more!!! 12 Sep 2006
By Alok Govil - Published on Amazon.com
Format:Hardcover
If you feel that you have lost the touch of history of mathematics, have lost your creativity into the rigour of formal methods, and need integral calculus to solve simplest of the mathematical problems, this is the book you need.

Q.E.D. is a compilation of ancient mathematical problems with unexpectedly short mathematical proofs, which one you know them, are as simple as they can be, yet you may not think of them by yourself.

My idea is to train (or re-train) my mind with that creative thought with which you can find elegant proofs to mathematical problems rather than resorting to differential equations at each point. This book is just great on that.

I could work myself through half of the book in about two days. So thought-provoking is the content that I ended up proving a few theorems myself that were not included in the book. (Yet I see a simpler proof of one of them later in the book!)

I wish this book included five times more material than what it has. I wish to have all of mathematics to be taught in this fashion. Had once encountered a problem from electromagnetism that I could not even start on, finally gave up and continued reading the Feynman lectures on Physics (vol 2) to see the proof. The proof, albeit more complicated than all proofs in this book, Q.E.D., was still unexpectedly simpler.

I wish for a book like Q.E.D. that teaches me a lot more mathematics. But this is not to say that Q.E.D. hasn't served the purpose it aimed for.
10 of 10 people found the following review helpful
5.0 out of 5 stars Beautiful mathematics brought alive 11 Sep 2005
By Mary Winstone - Published on Amazon.com
Format:Hardcover
Great little book! Mathematicians will often tell you that mathematics is beautiful. However, they usually have a hard time conveying the beauty of math to their nonmathematical friends. The author/illustrator has done a great job in capturing this beauty in the form of truly magnificent illustrations of proofs, making Q.E.D. the ideal read for anybody interested in discovering this elusive mathematical beauty for themselves.
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