title: 101 Puzzles in Thought and Logic (Dover Recreational Math)
author: C. R. Wylie Jr.
description: <div><div>The late C. R. Wylie, Jr., taught for many years at the University of Utah, where he was Chairman of the Department of Mathematics.</div><div><div><P><B>A Dover Original<br></B>Clarence Raymond Wylie, Jr., had a long career as a writer of mathematics and engineering textbooks. His <I>Advanced Engineering Mathematics</I> was the standard text in that field starting in the 1950s and for many decades thereafter. He also wrote widely used textbooks on geometry directed at students preparing to become secondary school teachers, which also serve as very useful reviews for college undergraduates even today. Dover reprinted two of these books in recent years, <I>Introduction to Projective Geometry</I> in 2008 and <I>Foundations of</I> <I>Geometry </I>in 2009.
zlib_text: C.R. Wylie Jr. 
  101 PUZZLES IN 
  THOU6HT &. L061C 
  
  c. R. WYLIE Jr. 
  Department 0/ Mathematics, University 0/ Utah 
  PUZZLES 
  IN THOUGHT 
  AND LOGIC 
  Dover Publications Inc., N ew York 
  
  Copyright © 1957 by Dover Publications. Inc. 
  All rights reserved under Pan American and In-
  ternational Copyright Conventions. 
  Published in Canada by General Publishing Com-
  pany, Ltd., lIO Lesmill Road, Don Mills, Toronto, 
  Ontario. 
  Published in the United Kingdom by Constable 
  and Company, Ltd., 10 Orange Street, London 
  WC 2. 
  101 Puzzles in Thought and Logic is an original 
  work, first published by Dover Publications, Inc., 
  in 1957. 
  Standa7d Book Number: 486-20367-0 
  Library of Congress Catalog Card Number: 57-IJ026 
  Manufactured in the United States of America 
  Dover Publications, Inc. 
  180 Varick Street 
  New York, N. Y. 10014 
  
  INTRODUCTION 
  
  Although life is the greatest puzzle of all, these 
  puzzles are not taken from life, and any resem-
  blance they may bear to actual persons or places 
  is e