Aha! A Two Volume Collection: Aha! Gotcha Aha! Insight

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MAA, Dec 14, 2006 - Mathematics - 345 pages
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Previously published separately, the two books aha! Gotcha and aha! Insight are here combined as a single volume. The aha! books, as they are referred to by fans of Martin Gardner, contain 144 wonderful puzzles from the reigning king of recreational mathematics. In this combined volume, you will find puzzles ranging over geometry, logic, probability, statistics, number, time, combinatorics, and word play. Gardner calls these puzzles aha! problems, that 'seem difficult, and indeed are difficult if you go about trying to solve them in traditional ways. But if you can free your mind from standard problem solving techniques, you may be receptive to an aha! reaction that leads immediately to a solution. Don't be discouraged if, at first, you have difficulty with these problems. After a while you will begin to catch the spirit of offbeat, nonlinear thinking, and you may be surprised to find your aha! ability improving.'
 

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Contents

Preface xvu The Ubiquitous Number 9 38
9
Logic 1 The Missing Dollar
42
The Liar Paradox 4 The Amazing Code
48
Infinite Regress 10 3 Geometry
55
The Barber Paradox 16 Mirror Magic
61
Semantics and Set Theory 20 The Vanishing Leprechaun
67
The Unexpected Tiger 26 The Inescapable Point
74
Paradoxes about integers fractions and an infinite
81
Surprising Swords
39
Quibbles Matches
45
Miss Euclids Cubes
51
Broken Records
61
Eyes and Legs
69
6
75
The Crafty Cabbie
90
The Big Holdup
97

Population Implosion 37 The Gamblers Fallacy
87
Four Kittens 90 The Voting Paradox 128
100
6 Time
137
Statistics 111 Zenos Paradoxes
143
Contents
175
A Sticky Gum Problem
4
The Bewildered Babies
12
The Troublesome Tiles
18
The Medicine Mixup
24
Crafty Cheese Cuts
32
Holiday Haircut
105
Fifteen Finesse
116
Dividing the Chores
123
The Lazylover
131
Dr W O Wordle
140
Mother of the Year 116 Can Time Go Backward? 150
150
Patterns in Pi 122 Time Dilation 156
156
87
172
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About the author (2006)

Martin Gardner is the author of more than seventy books on a vast range of topics including "Did Adam & Eve Have Navels?", "Calculus Made Easy", & "The Annotated Alice". He lives in Hendersonville, North Carolina.

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