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Foundations of Finitely Supported Structures: A Set Theoretical Viewpoint
Barnes and Noble
Foundations of Finitely Supported Structures: A Set Theoretical Viewpoint
Current price: $109.99
Barnes and Noble
Foundations of Finitely Supported Structures: A Set Theoretical Viewpoint
Current price: $109.99
Size: Hardcover
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In the framework of finitely supported sets, the authors analyze the consistency of various forms of choice and related results. They introduce and study the notion of 'cardinality' by presenting various order and arithmetic properties. Finitely supported partially ordered sets, chain complete sets, lattices and Galois connections are studied, and new fixed point, calculability and approximation properties are presented. In this framework, the authors study the finitely supported L-fuzzysubsets of a finitely supported set and the finitely supported fuzzy subgroups of a finitely supported group. Several pairwise non-equivalent definitions for the notion of 'infinity' (Dedekind infinity, Mostowski infinity, Kuratowski infinity, Tarski infinity, ascending infinity) are introduced, compared and studied in the new framework. Relevant examples of sets that satisfy some forms of infinity while not satisfying others are provided. Uniformly supported sets are analyzed, and certain surprising properties are presented. Finally, some variations of the finite support requirement are discussed.
The book will be of value to researchers in the foundations of set theory, algebra and logic.