Many-One Reducibility Within the Turning Degrees of the Hyperarithmetic Sets H a (x)

DOI10.2307/1996978zbMath0313.02023OpenAlexW4242229372MaRDI QIDQ4071734

George C. Nelson

Publication date: 1974

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/1996978

Mathematics Subject Classification ID

Other degrees and reducibilities in computability and recursion theory (03D30) Computability and recursion theory on ordinals, admissible sets, etc. (03D60) Hierarchies of computability and definability (03D55)

Related Items (1)

Hyperarithmetical Sets

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