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  • This Book Needs No Title

    A Budget of Living Paradoxes

    This Book Needs No Title brings the delight and fascination with self-reference and paradox that distinguish Raymond Smullyan's popular books on logic to bear on philosophical and spiritual themes. Progressing organically from brief anecdotes, paradoxes, jokes, and epigrams to dialogues, essays, and finally the marvelous novella-length parable, "Planet Without Laughter", Smullyan uses reason to ... Read more

    $11.99 CAD

  • Forever Undecided

    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 knights always tell the truth and knaves always lie. Here we meet ... Read more

    Was $22.99 CAD Now $16.99 CAD

  • To Mock a Mocking Bird

    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 first part of the book, he transports us once again to ... Read more

    $10.99 CAD

  • The Riddle of Scheherazade

    And Other Amazing Puzzles, Ancient and Modern

    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 the king to stay her execution by posing him the most ... Read more

    $8.99 CAD

  • Satan, Cantor, And Infinity And Other Mind-bogglin

    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, where knights always tell the truth and knaves ... Read more

    Was $12.99 CAD Now $6.99 CAD

  • The Tao Is Silent

    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 is not very appealing."This is more than a book on ... Read more

    $17.99 CAD or Free with Kobo Plus

  • A Beginner's Guide to Mathematical Logic

    Series series Dover Books on Mathematics
    Combining stories of great writers and philosophers with quotations and riddles, this original text for first courses in mathematical logic examines problems related to proofs, propositional logic and first-order logic, undecidability, and other topics. 2014 edition. ... Read more

    $22.99 CAD

  • The Gödelian Puzzle Book

    Puzzles, Paradoxes and Proofs

    Series series Dover Math Games & Puzzles
    These brand-new recreational logic puzzles provide entertaining variations on Gödel's incompleteness theorems, offering ingenious challenges related to infinity, truth and provability, undecidability, and other concepts. Created by the celebrated logician Raymond Smullyan, the puzzles require no background in formal logic and will delight readers of all ages.The two-part selection of puzzles and ... Read more

    $16.99 CAD

  • Godel's Incompleteness Theorems

    Series series Oxford Logic Guides
    Kurt Godel, the greatest logician of our time, startled the world of mathematics in 1931 with his Theorem of Undecidability, which showed that some statements in mathematics are inherently "undecidable." His work on the completeness of logic, the incompleteness of number theory, and the consistency of the axiom of choice and the continuum theory brought him further worldwide fame. In this ... Read more

    $299.99 CAD

  • The Mathematics of Various Entertaining Subjects

    Research in Recreational Math

    The history of mathematics is filled with major breakthroughs resulting from solutions to recreational problems. Problems of interest to gamblers led to the modern theory of probability, for example, and surreal numbers were inspired by the game of Go. Yet even with such groundbreaking findings and a wealth of popular-level books exploring puzzles and brainteasers, research in recreational ... Read more

    $65.99 CAD

  • Beginner's Further Guide To Mathematical Logic, A

    'A wealth of examples to which solutions are given permeate the text so the reader will certainly be active.'The Mathematical GazetteThis is the final book written by the late great puzzle master and logician, Dr. Raymond Smullyan.This book is a sequel to my Beginner's Guide to Mathematical Logic.The previous volume deals with elements of propositional and first-order logic, contains a bit on ... Read more

    $21.99 CAD

  • Magic Garden Of George B And Other Logic Puzzles, The

    Raymond Smullyan presents a bombshell puzzle so startling that it seems incredible that there could be any solution at all! But there is indeed a solution — moreover, one that requires a chain of lesser puzzles to be solved first. The reader is thus taken on a journey through a maze of subsidiary problems that has all the earmarks of an entertaining detective story.This book leads the unwary ... Read more

    $16.99 CAD