A challenging puzzle collection and an instructive and entertaining introduction to Kurt Godel's famous theorems, including incompleteness and undecidability. Much of the action of the book takes place on an imaginary and magical island, the Island of Knights and Knaves, where knights always make true statements, knaves always make false statements, and every inhabitant is either a knight or a knave. Here we meet an amazing array of characters, visitors to the island, seeking to determine the natives' true identities. Among ...
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A challenging puzzle collection and an instructive and entertaining introduction to Kurt Godel's famous theorems, including incompleteness and undecidability. Much of the action of the book takes place on an imaginary and magical island, the Island of Knights and Knaves, where knights always make true statements, knaves always make false statements, and every inhabitant is either a knight or a knave. Here we meet an amazing array of characters, visitors to the island, seeking to determine the natives' true identities. Among them are the census-taker McGregor; a philosopher-logician in search of his flighty bird-wife Oona; and a regiment of Reasoners. By following the Reasoners through brain-tingling exercises and adventures - including journeys into the "other possible worlds" of Kripke semantics - even the most illogical of us should come to understand Godel's theorems, some of their philosophical and mathematical implications and why we, like Godel himself, must remain forever undecided! The book is intended for puzzle fans of every age and ability - from the high-school whizz to the seasoned mathematician, logician or computer scientist.
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Add this copy of Forever Undecided to cart. $5.82, good condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Brownstown, MI, UNITED STATES, published 1987 by Alfred A. Knopf.
Add this copy of Forever Undecided to cart. $5.82, fair condition, Sold by ThriftBooks-Atlanta rated 5.0 out of 5 stars, ships from Brownstown, MI, UNITED STATES, published 1987 by Alfred A. Knopf.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $5.84, very good condition, Sold by HPB Inc. rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1987 by Alfred A. Knopf.
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Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Forever Undecided to cart. $7.14, very good condition, Sold by Wonder Book - Member ABAA/ILAB rated 5.0 out of 5 stars, ships from Frederick, MD, UNITED STATES, published 1987 by Alfred A. Knopf.
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Very Good. Very Good condition. Good dust jacket. A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner's name, short gifter's inscription or light stamp.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $10.09, very good condition, Sold by ThriftBooks-Dallas rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1988 by Oxford Univ Pr.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $10.09, good condition, Sold by ThriftBooks-Baltimore rated 4.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 1988 by Oxford Univ Pr.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $16.90, very good condition, Sold by John C. Newland rated 4.0 out of 5 stars, ships from Cheltenham, Glos., UNITED KINGDOM, published 1988 by Oxford Paperbacks.
Add this copy of Forever Undecided: a Puzzle Guide to Godel (Oxford to cart. $20.95, fair condition, Sold by Anybook rated 4.0 out of 5 stars, ships from Lincoln, UNITED KINGDOM, published 1988 by Oxford University Press.
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This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. In fair condition, suitable as a study copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 250grams, ISBN: 9780192821966.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $27.50, very good condition, Sold by BingoBooks2 rated 5.0 out of 5 stars, ships from Vancouver, WA, UNITED STATES, published 1987 by Westminister, Maryland, U.S.A. : Alfred a Knopf Inc.
Add this copy of Forever Undecided: a Puzzle Guide to Godel to cart. $28.95, very good condition, Sold by West Coast Bookseller rated 5.0 out of 5 stars, ships from Moorpark, CA, UNITED STATES, published 1987 by Alfred A. Knopf.