domingo, 7 de junho de 2009
Lady or the Tiger? And Other Logic Puzzles Including a Mathematical Novel That Features Godel's Great Discovery
Raymond M. Smullyan
Random House Puzzles & Games | 1992 | 240 páginas | PDF | 3,2 Mb
The paperback reprint of Smullyan's most successful book of puzzles--a mind-bending, pleasurable romp through the world of logic. For all ages and all levels of difficulty, these puzzles range from those that can be solved in minutes to those that will beguile for hours.