This work presents a systematic study of decision problems for equational theories of algebras of binary relations (relation algebras). For example, an easily applicable but deep method, based on von Neumann's coordinatization theorem, is developed for establishing undecidability results. The method is used to solve several outstanding problems posed by Tarski. In addition, the complexity of intervals of equational theories of relation algebras with respect to questions of decidability is investigated. Using ideas that go back to Jónsson and Lyndon, the authors show that such intervals can have the same complexity as the lattice of subsets of the set of the natural numbers. Finally, some new and quite interesting examples of decidable equational theories are given.
The methods developed in the monograph show promise of broad applicability. They provide researchers in algebra and logic with a new arsenal of techniques for resolving decision questions in various domains of algebraic logic.
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Seller: Antiquariat Bookfarm, Löbnitz, Germany
Softcover. Ex-library with stamp and library-signature. GOOD condition, some traces of use. Ancien Exemplaire de bibliothčque avec signature et cachet. BON état, quelques traces d'usure. Ehem. Bibliotheksexemplar mit Signatur und Stempel. GUTER Zustand, ein paar Gebrauchsspuren. 03 AND 9780821805954 Sprache: Englisch Gewicht in Gramm: 550. Seller Inventory # 2502450
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Softcover. xiv, 126 S. Ehem. Bibliotheksexemplar mit Signatur und Stempel. GUTER Zustand, ein paar Gebrauchsspuren. Ex-library in GOOD condition with library-signature and stamp(s). Some traces of use. R-16114 9780821805954 Sprache: Englisch Gewicht in Gramm: 550. Seller Inventory # 2479576
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Paperback. Condition: Very Good. Providence, Rhode Island: American Mathematical Society, 1997. xiv, 126 pp. 25.5 x 18 cm. Glossy white stiff paper wrappers printed with dark blue and burgundy. Memoirs of the American Mathematical Society, Number 604. Light rubbing to covers, with a shallow 3.5 cm scratch on rear cover. Light bumps and rubbing to spine ends with some curling to corners of covers. Previous owner's bookplate on inside of front cover. Interior clean and unmarked. Binding firm with no creases or cracks. . Soft Cover. Very Good. Seller Inventory # 626603
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