Abstract
We present a calculus TRL of typed relations introduced in [MO04] which is intended to be a formal tool both for representing relational databases [Cod70] and also for reasoning with them. Typed relations are heterogeneous relations, i.e., the objects related with a relation may range over different domains. Three features of this calculus distinguish it from the calculus of ordinary relations in the Tarski-style.
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© 2011 Springer Science+Business Media B.V.
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Orłowska, E., Golińska-Pilarek, J. (2011). Dual Tableaux for Fork Algebras. In: Dual Tableaux: Foundations, Methodology, Case Studies. Trends in Logic, vol 33. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0005-5_5
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DOI: https://doi.org/10.1007/978-94-007-0005-5_5
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Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-0004-8
Online ISBN: 978-94-007-0005-5
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