文档介绍：MY BEST
MATHEMATICAL
AND
LOGIC PUZZLES
Martin Gardner
DOVER PUBLICATIONS, INC.
New York
Copyright
Copyright © 1994 by Martin Gardner.
All rights reserved under Pan American and International Copyright
Conventions.
Bibliographical Note
My Best Mathematical and Logic Puzzles, first published by Dover
Publications, Inc., in 1994, is a new and original collection of work
previously published in Scientific American, Games magazine and in
earlier volume collections. A new Introduction has been written expressly
for this Dover edition.
Library of Congress Cataloging-in-Publication Data
Gardner, Martin, 1914-
My best mathematical and logic puzzles I Martin Gardner.
p. cm.
ISBN 0-486-28152-3 (pbk.)
1. Mathematical recreations. I. Title.
1994
'4-dc20 94-25660
CIP
Manufactured in the United States of America
Dover Publications, Inc., 31 East 2nd Street, Mineola, . 11501
INTRODUCTION
DURING the twenty-five years that I had the great privilege of writing
the Mathematical Games column in Scientific American, my practice
was to devote a column, about every six months, to what I called
short problems or puzzles. These puzzles were, of course,
mathematical rather than problemS involving words. I did my best
to present new and unfamiliar puzzles that were not to be found in
classic collections such as the books by Sam Loyd and Henry
Dudeney.
Readers were quick to catch mistakes and to supply in Some
cases alternate solutions or mteresting generalizations. This valuable
feedback was incorporated when the puzzle columns were reprinted
in book collections.
Most of the problems in this book are selected from the first
three collections. The last 12 puZzles are selected from two articles I
contributed to Games magazine (January/February and November/
December, 1978). Some have been updated by adding references to
new developments related to the puzzle. Needless t