A Basis Result for ∑ 0 3 Sets of Reals with an Application to Minimal Covers

DOI10.2307/2040033zbMath0376.02054OpenAlexW4239779910MaRDI QIDQ4154560

Alexander S. Kechris, Leo Harrington

Publication date: 1975

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

Full work available at URL: https://doi.org/10.2307/2040033

Mathematics Subject Classification ID

Descriptive set theory (03E15) Other degrees and reducibilities in computability and recursion theory (03D30)

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