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Most popular at the top

  • Who Knows?by Raymond M. Smullyan

    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...

  • Recursion Theory for Metamathematicsby Raymond M. Smullyan

    Oxford University Press 1993; US$ 139.99

    This work is a sequel to the author's Godel's Incompleteness Theorems, though it can be read independently by anyone familiar with Godel'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. It is... more...

  • Godel's Incompleteness Theoremsby Raymond M. Smullyan

    Oxford University Press 1992; US$ 224.99

    An introduction to the work of the mathematical logician Kurt Godel, which guides the reader through his Theorem of Undecidability and his theories on the completeness of logic, the incompleteness of numbers and the consistency of the axiom of choice. more...

  • Satan, Cantor, And Infinity And Other Mind-bogglinby Raymond M. Smullyan

    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...

  • To Mock a Mocking Birdby Raymond M. Smullyan

    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...

  • The Riddle of Scheherazadeby Raymond M. Smullyan

    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...

  • The Tao Is Silentby Raymond M. Smullyan

    HarperCollins 2013; US$ 12.99

    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...

  • The Tao Is Silentby Raymond M. Smullyan

    HarperCollins 2013; Not Available

    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...

  • The Tao Is Silentby Raymond M. Smullyan

    HarperCollins 2013; Not Available

    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...

  • A Beginner's Guide to Mathematical Logicby Raymond M. Smullyan

    Dover Publications 2014; US$ 19.95

    Combining stories of great philosophers, quotations, and riddles with the fundamentals of mathematical logic, this new textbook for first courses in mathematical logic was written by the subject's creative master. Raymond Smullyan offers clear, incremental presentations of difficult logic concepts with creative explanations and unique problems related... more...