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Most popular at the top
- Indiana University Press 2003; US$ 11.95
Is there really a God, and if so, what is God actually like? Is there an afterlife, and if so, is there such a thing as eternal punishment for unrepentant sinners, as many orthodox Christians and Muslims believe? And is it really true that our unconscious minds are connected to a higher spiritual reality,... more...
- Knopf Doubleday Publishing Group 2012; US$ 21.00
More than two hundred new and challenging logic puzzles?the simplest brainteaser to the most complex paradoxes in contemporary mathematical thinking?from our topmost puzzlemaster (?the most entertaining logician who ever lived,? Martin Gardner has called him). Our guide to the puzzles is the Sorcerer, who resides on the Island of Knights and Knaves,... more...
- Knopf Doubleday Publishing Group 2012; US$ 14.95
In this entertaining and challenging new collection of logic puzzles, Raymond Smullyan?author of What Is the Name of This Book? And The Lady or the Tiger? ?continues to delight and astonish us with his gift for making available, in the thoroughly pleasurable form of puzzles, some of the most important mathematical thinking of our time. In the... more...
- Knopf Doubleday Publishing Group 2012; US$ 19.99
Forever Undecided is the most challenging yet of Raymond Smullyan?s puzzle collections. It is, at the same time, an introduction?ingenious, instructive, entertaining?to Gödel?s famous theorems. With all the wit and charm that have delighted readers of his previous books, Smullyan transports us once again to that magical island where... more...
- Knopf Doubleday Publishing Group 2012; US$ 22.00
In his new book, Raymond Smullyan, grand vizier of the logic puzzle, joins Scheherazade, a charming young woman of ?fantastic logical ingenuity,? to give us 1001 hours of brain-teasing fun. Scheherazade, we find, has gotten back into hot water with the king, and is once more in danger of losing her head at down. But, thinking quickly, she tempts... more...
- HarperCollins 2013; US$ 11.24
The Tao Is Silent Is Raymond Smullyan's beguiling and whimsical guide to the meaning and value of eastern philosophy to westerners. "To me," Writes Smullyan, "Taoism means a state of inner serenity combined with an intense aesthetic awareness. Neither alone is adequate; a purely passive serenity is kind of dull, and an anxiety-ridden awareness... more...
- Dover Publications 2014; US$ 19.95
Combining stories of great writers and philosophers with quotations and riddles, this completely original text for first courses in mathematical logic examines problems related to proofs, propositional logic and first-order logic, undecidability, and other topics. 2013 edition. more...
- Dover Publications 2013; US$ 14.95
These logic puzzles provide entertaining variations on Gödel's incompleteness theorems, offering ingenious challenges related to infinity, truth and provability, undecidability, and other concepts. No background in formal logic necessary. more...
- Oxford University Press 1993; US$ 159.99 US$ 137.59
This work is a sequel to the author's Gödel's Incompleteness Theorems , though it can be read independently by anyone familiar with Gödel's incompleteness theorem for Peano arithmetic. The book deals mainly with those aspects of recursion theory that have applications to the metamathematics of incompleteness, undecidability, and related topics. ... more...