On two complete sets in the analytical and the arithmetical hierarchies
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Publication:4078003
DOI10.1007/BF02276794zbMath0317.02048MaRDI QIDQ4078003
Publication date: 1975
Published in: Archiv für Mathematische Logik und Grundlagenforschung (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/137908
Logic with extra quantifiers and operators (03C80) Hierarchies of computability and definability (03D55)
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