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Baire reductions and good Borel reducibilities
Published online by Cambridge University Press: 12 March 2014
Abstract
In [9] we have considered a wide class of “well-behaved” reducibilities for sets of reals. In this paper we continue with the study of Borel reducibilities by proving a dichotomy theorem for the degree-structures induced by good Borel reducibilities. This extends and improves the results of [9] allowing to deal with a larger class of notions of reduction (including, among others, the Baire class ξ functions).
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- Copyright © Association for Symbolic Logic 2010
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