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paperback. Condition: Very Good. Publisher overstock. May have remainder mark / minor shelfwear. 99% of orders arrive in 4-10 days. Discounted shipping on multiple books.
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Condition: New.
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Natural Deduction
Language: English
Published by Dover Publications Inc., US, 2006
ISBN 10: 0486446557 ISBN 13: 9780486446554
Paperback. Condition: New.
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Condition: As New. Unread book in perfect condition.
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Natural Deduction: A Proof-Theoretical Study (Paperback or Softback)
Language: English
Published by Dover Publications 2/24/2006, 2006
ISBN 10: 0486446557 ISBN 13: 9780486446554
Paperback or Softback. Condition: New. Natural Deduction: A Proof-Theoretical Study. Book.
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Condition: New. Brand New! Not Overstocks or Low Quality Book Club Editions! Direct From the Publisher! We're not a giant, faceless warehouse organization! We're a small town bookstore that loves books and loves it's customers! Buy from Lakeside Books!
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Condition: New. Brand New.
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Natural Deduction (Paperback)
Language: English
Published by Dover Publications Inc., New York, 2006
ISBN 10: 0486446557 ISBN 13: 9780486446554
Paperback. Condition: new. Paperback. An innovative approach to the semantics of logic, proof-theoretic semantics seeks the meaning of propositions and logical connectives within a system of inference. Gerhard Gentzen invented proof-theoretic semantics in the early 1930s, and Dag Prawitz, the author of this study, extended its analytic proofs to systems of natural deduction. Prawitz's theories form the basis of intuitionistic type theory, and his inversion principle constitutes the foundation of most modern accounts of proof-theoretic semantics.The concept of natural deduction follows a truly natural progression, establishing the relationship between a noteworthy systematization and the interpretation of logical signs. As this survey explains, the deduction's principles allow it to proceed in a direct fashion - a manner that permits every natural deduction's transformation into the equivalent of normal form theorem. A basic result in proof theory, the normal form theorem was established by Gentzen for the calculi of sequents. The proof of this result for systems of natural deduction is in many ways simpler and more illuminating than alternative methods. This study offers clear illustrations of the proof and numerous examples of its advantages. Prawitz's theories form the basis of intuitionistic type theory, and his inversion principle constitutes the foundation of most modern accounts of proof-theoretic semantics. The proof-theoretical system represents a simpler and more illuminating method than alternative approaches, and this volume offers a succinct, coherent illustration of its applications to natural deduction. 1965 edition. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
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Natural Deduction
Language: English
Published by Dover Publications Inc., US, 2006
ISBN 10: 0486446557 ISBN 13: 9780486446554
Seller: Rarewaves.com USA, London, LONDO, United Kingdom
Seller rating 5 out of 5 stars
Paperback. Condition: New.
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Natural Deduction: A Proof-Theoretical Study (Dover Books on Mathematics)
Published by Dover Publications
paperback. Condition: LikeNew. Used Like New, no missing pages, no damage to binding, may have a remainder mark.
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Condition: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,250grams, ISBN:9290451149.
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Condition: Poor. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. In poor condition, suitable as a reading copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,250grams, ISBN:9290451149.
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Paperback. Condition: Very Good-. Covers scuffed, corner bumped, some pages corner bumped, else interior very good+.
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Paperback. Condition: Brand New. 113 pages. 8.50x5.50x0.25 inches. In Stock.
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Natural Deduction: A Proof-Theoretical Study (Dover Books on Mathematics)
Language: English
Published by Dover Publications Inc. 2009-01-01, 2009
ISBN 10: 0486446557 ISBN 13: 9780486446554
Paperback. Condition: New.
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Natural Deduction : A Proof-theoretical Study
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
Condition: New.
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Natural Deduction: A Proof-Theoretical Study (Dover Books on MaTHEMA 1.4tics)
Seller: WorldofBooks, Goring-By-Sea, WS, United Kingdom
Seller rating 5 out of 5 stars
Paperback. Condition: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged.
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Natural Deduction : A Proof-theoretical Study
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
Seller rating 5 out of 5 stars
Condition: As New. Unread book in perfect condition.
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Logic and Philosophy of Science in Uppsala
Seller: avelibro OHG, Dinkelscherben, Germany
Association Member: BOEV
Seller rating 5 out of 5 stars
First Edition
23,5 x 15,5 cm. Condition: Gut. 1. Auflage. IX, 614 Seiten Papers from the 9th International Congress of Logic, Methodology and Philosophy of Science. Innen sauberer, guter Zustand. Hardcover, Pappeinband, mit den üblichen Bibliotheks-Markierungen, Stempeln und Einträgen, innen wie außen, siehe Bilder. Guter Zustand. - Synthese Library, volume 236. B13-04-04D|A63 Sprache: Englisch Gewicht in Gramm: 1066.
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Condition: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages.
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Softcover, staple-bound, 44 pages, in Swedish and French; good condition, 1-inch abrasion / sticker residue on upper right corner of cover; light crease to lower corner of rear cover; no internal marks.
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Condition: very good. Gut/Very good: Buch bzw. Schutzumschlag mit wenigen Gebrauchsspuren an Einband, Schutzumschlag oder Seiten. / Describes a book or dust jacket that does show some signs of wear on either the binding, dust jacket or pages.
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Condition: good. Befriedigend/Good: Durchschnittlich erhaltenes Buch bzw. Schutzumschlag mit Gebrauchsspuren, aber vollständigen Seiten. / Describes the average WORN book or dust jacket that has all the pages present.
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Condition: good. Befriedigend/Good: Durchschnittlich erhaltenes Buch bzw. Schutzumschlag mit Gebrauchsspuren, aber vollständigen Seiten. / Describes the average WORN book or dust jacket that has all the pages present.
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HC. Opb., gr 8°, quer, 191s-, NAT, sonst in gutem Zustand, [LSC37,1b] Deu 700g.
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Theoria: A Swedish Journal of Philosophy, Volume XXXII, Volume XXXIII.
Language: English
Published by C. W. K. Gleerup, 1966, 1967., Lund, Sweden, 1966
Seller: Pride and Prejudice-Books, Ballston Lake, NY, U.S.A.
Seller rating 5 out of 5 stars
Hardcover. Condition: Very Good. Dust Jacket Condition: No Dust Jacket. First Edition. Complete 6 issues for 1966 and 1967. Wrappers bound in. Crimson library buckram with spine label, university and withdrawn stamps, etc., few magic marker notations on front wrappers, else Very Good. No Dust Jacket.
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Condition: As New. Unread book in perfect condition.
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Städte in Mecklenburg.
Seller: Antiquariat Liberarius - Frank Wechsler, Hagenow, Germany
Association Member: GIAQ
Seller rating 5 out of 5 stars
First Edition
1. Aufl. S. 191 Bildband mit einer Einführung und einer Faltkarte. Sprache: Deutsch Gewicht in Gramm: 660 8° (22 x 19 cm) , Pappband , Gutes Exemplar.
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Il corpo del bambino e i suoi segnali. Malattie psicosomatiche, disturbi del sonno e dell'alimentazione, ansia e attacchi di panico
Book 7 of 8: Cento e un bambinoSeller: libreriauniversitaria.it, Occhiobello, RO, Italy
Seller rating 4 out of 5 stars
Condition: NEW.
