By Martin Gardner
This booklet includes ratings of fascinating puzzles and paradoxes from Lewis Carroll, the writer of Alice in Wonderland, whose pursuits ranged from inventing new video games like Arithmetical Croquet to big difficulties in symbolic good judgment and propositional calculus. Written via Carroll professional and recognized arithmetic writer Martin Gardner, this journey via Carroll's innovations is either enjoyable and informative.
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Additional resources for The Universe in a Handkerchief: Lewis Carroll's Mathematical Recreations, Games, Puzzles, and Word Plays
Sample text
1978). [28] - The Diaries sheet folded a certain way so that, when swung through the air, part of the fold pops out to make a sound like a pistol shot. " Two folded paper hats, which Carroll surely knew how to make, were drawn by Tenniel for the second Alice book. The man dressed in white paper, in the railway carriage scene of Chapter 3, wears a paper hat; and the Carpenter, in the next chapter, wears a different kind of paper hat. Carpenters no longer fold such hats, but operators of printing presses, at least in the United States, like to make them from unprinted sheets to keep ink out of their hair.
The illustration is from The Moscow Puzzles, by Boris Kordemski (Scribner's, 1912). [51] THE UNIVERSE IN A HANDKERCHIEF letter, to Winifred Hawke, contains Carroll's rules for playing a word game he invented. It involved drawing counters with vowels from one bag, counters with consonants from another, and using them to form words. Still another letter, included in Wakelings book, gave Helen Fielden a classic geometrical puzzle about a square window three feet on each side. The task is to alter the window to a square with half the area as before, yet remaining three feet high and three feet wide.
One uncompleted project was Plain Facts for Circle-Squarers. 14160. Like so many mathematicians before and since, Carroll was plagued by cranks who believed they had found a way to square the circle with a compass and straightedge, an impossible task second only in notoriety to trisecting the angle. ^iTisS t5^ r" 11. , 1978), [30] -^ The Diaries — The first of these two misguided visionaries filled me with a great ambition to do a feat I have never heard of as accomplished by man, namely to convince a circle squarer of his error!