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Addendum to “The truth is never simple”
Published online by Cambridge University Press: 12 March 2014
Extract
The present note outlines an answer to a question listed as open in our recent survey article [1], familiarity with which is assumed.
Let Γ be the class of all X ⊆ ω such that X is reducible to for some some arithmetical and some positive with Y ⊆ p(Y) for all Y.
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- Copyright © Association for Symbolic Logic 1988
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