Titlebook: Introduction to Relation Algebras; Relation Algebras, V Steven Givant Textbook 2017 Springer International Publishing AG 2017 Relation alge

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Homomorphisms,ent. The way of making this identification precise is via the notion of an isomorphism. More generally, two algebras may bear a structural resemblance to one another, even though they do not have exactly the same intrinsic structure. Homomorphisms provide a tool for establishing structural similarit

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Direct products,perations, to define the requisite operations coordinatewise. Relation algebras furnish an instance of this procedure. For relation algebras, products come in two flavors: the standard Cartesian (or external) product and an internal version of this product. These two versions are but two sides of th

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Special elements,mmetric relations, transitive relations, and equivalence relations. In subsequent sections, we look at abstract versions of properties associated with various types of ideal elements, with rectangles, and with functions.

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