GLOOM
发表于 2025-3-25 04:31:59
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affinity
发表于 2025-3-25 08:34:18
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
SEMI
发表于 2025-3-25 14:48:50
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Liability
发表于 2025-3-25 17:50:00
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发源
发表于 2025-3-25 23:57:11
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
AXIS
发表于 2025-3-26 03:04:29
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尽责
发表于 2025-3-26 06:08:03
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Melatonin
发表于 2025-3-26 11:25:03
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.
Irrepressible
发表于 2025-3-26 13:21:42
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FILLY
发表于 2025-3-26 18:28:02
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