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Borel Sets in Metric Spaces With Small Separable Subsets
Published online by Cambridge University Press: 20 November 2018
Abstract
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Let X be a metric space such that every separable subspace of X has size less than the continuum. We answer a question of D. H. Fremlin by showing that MA + ┐CH does not necessarily imply that every subset of X is analytic.
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- Copyright © Canadian Mathematical Society 1987
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