The distribution of properly Σ20 e-degrees

DOI10.2307/2586524zbMath0946.03049OpenAlexW1602781414MaRDI QIDQ4953207

Stanislaw Bereznyuk, Andrea Sorbi, Richard J. Coles

Publication date: 9 May 2000

Published in: Journal of Symbolic Logic (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2586524

zbMATH Keywords

enumeration degree\(e\)-reducibility\(e\)-degree\(e\)-operators

Mathematics Subject Classification ID

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

Related Items (1)

Cupping and definability in the local structure of the enumeration degrees

Cites Work

• Unnamed Item
• On degrees of unsolvability
• Properly Σ2 Enumeration Degrees
• On minimal pairs of enumeration degrees

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