Raymond smullyan (Oltre 1400 risultati)

Condizione: acceptable. This copy has clearly been enjoyedâ"expect noticeable shelf wear and some minor creases to the cover. Binding is strong, and all pages are legible. May contain previous library markings or stamps.

Paperback. Condizione: Fair. In his most popular book since THE LADY OR THE TIGER? the grand vizier of the puzzle world gives us 1001 hours of brain-teasing fun. Smullyan includes wonderful old chestnuts and some fiendishly original puzzles, 225 in all. An absolute must for all puzzle fans from the middle-school whiz to the sophisticated matematician or computer scientist.…

Paperback. Condizione: Good. In his most popular book since THE LADY OR THE TIGER? the grand vizier of the puzzle world gives us 1001 hours of brain-teasing fun. Smullyan includes wonderful old chestnuts and some fiendishly original puzzles, 225 in all. An absolute must for all puzzle fans from the middle-school whiz to the sophisticated matematician or computer scientist.…

paperback. Condizione: Good. Good clean copy. Minimal signs of wear.

Paperback. Condizione: Fair. Now a generation of readers can be charmed and inspired by this witty, sophisticated author. This book looks at the ideas inspired by Taoism that treat a wide variety of subjects about life in general. By the author of "This Book Needs No Title" and "Alice in Puzzleland".…

Paperback. Condizione: Good. Now a generation of readers can be charmed and inspired by this witty, sophisticated author. This book looks at the ideas inspired by Taoism that treat a wide variety of subjects about life in general. By the author of "This Book Needs No Title" and "Alice in Puzzleland".…

Condizione: good. Book is in good condition and may include underlining highlighting and minimal wear. The book can also include "From the library of" labels. May not contain miscellaneous items toys, dvds, etc. . We offer 100% money back guarantee and 24 7 customer service.

Paperback. Condizione: Very Good. 1st Harvest Edition, 1998. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condizione: Fair. First. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Paperback. Condizione: Very Good. Reissue. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Paperback. Condizione: Fair. Reissue. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Condizione: good. Fast Free Shipping â" Good condition. It may show normal signs of use, such as light writing, highlighting, or library markings, but all pages are intact and the book is fully readable. A solid, complete copy that's ready to enjoy.

Condizione: very_good. Used book in very good condition. May have some minor wear. May NOT include discs, or access code or other supplemental material. Ships directly from Amazon and is eligible for Prime or super saver FREE shipping. We ship Monday-Saturday and respond to inquiries within 24 hours. Fitting, Greer (illustratore).…

Condizione: Good. . . Before placing your order for please contact us for confirmation on the book's binding. Check out our other listings to add to your order for discounted shipping. All orders guaranteed and ship within 24 hours.

Paperback. Condizione: Good. Except for this preface, this study is completely self-contained. It is intended to serve both as an introduction to Quantification Theory and as an exposition of new results and techniques in analytic or cut-free methods. We use the term analytic to apply to any proof procedure which obeys the subformula principle (we think of such a procedure as analysing the formula into its successive components). Gentzen cut-free systems are perhaps the best known example of ana- lytic proof procedures. Natural deduction systems, though not usually analytic, can be made so (as we demonstrated in 3]). In this study, we emphasize the tableau point of view, since we are struck by its simplicity and mathematical elegance. Chapter I is completely introductory. We begin with preliminary material on trees (necessary for the tableau method), and then treat the basic syntactic and semantic fundamentals of propositional logic. We use the term Boolean valuation to mean any assignment of truth values to all formulas which satisfies the usual truth-table conditions for the logical connectives. Given an assignment of truth-values to all propositional variables, the truth-values of all other formulas under this assignment is usually defined by an inductive procedure. We indicate in Chapter I how this inductive definition can be made explicit-to this end we find useful the notion of a formation tree (which we discuss earlier).…

Paperback. Condizione: Fair. The most original, most profound, and most humorous collection of recreational logic and math problems ever written. -- Martin Gardner, Scientific AmericanThe value of the book lies in the wealth of ingenious puzzles. They afford amusement, vigorous exercise, and instruction. -- Willard Van Orman Quine, The New York Times Book ReviewIf you're intrigued by puzzles and paradoxes, these 200 mind-bending logic puzzles, riddles, and diversions will thrill you with challenges to your powers of reason and common sense. Raymond M. Smullyan -- a celebrated mathematician, logician, magician, and author -- presents a logical labyrinth of more than 200 increasingly complex problems. The puzzles delve into G del's undecidability theorem and other examples of the deepest paradoxes of logic and set theory. Detailed solutions follow each puzzle.…

Condizione: Very Good. Item in very good condition! Textbooks may not include supplemental items i.e. CDs, access codes etc.

Hardcover. Condizione: Very Good. With dust jacket. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Hardback. Condizione: Good.

Paperback. Condizione: Good. In his most popular book since THE LADY OR THE TIGER? the grand vizier of the puzzle world gives us 1001 hours of brain-teasing fun. Smullyan includes wonderful old chestnuts and some fiendishly original puzzles, 225 in all. An absolute must for all puzzle fans from the middle-school whiz to the sophisticated matematician or computer scientist.…

hardcover. Condizione: Good.

Condizione: very_good.

Paperback. Condizione: Very Good. No Jacket. Missing dust jacket; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: 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.

Paperback. Condizione: As New. No Jacket. Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).

Paperback. Condizione: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Fitting, Greer (illustratore).