Minimal degrees which are Σ₂⁰ but not Δ₂⁰

DOI10.1090/S0002-9939-03-07080-1zbMath1033.03026OpenAlexW1528242579MaRDI QIDQ4433097

Richard A. Shore

Publication date: 29 October 2003

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

Full work available at URL: https://doi.org/10.1090/s0002-9939-03-07080-1

zbMATH Keywords

minimal degreerecursively enumerable in \(0'\)

Mathematics Subject Classification ID

Other Turing degree structures (03D28)

Related Items (2)

The degrees of bi-hyperhyperimmune sets ⋮ Low Level Nondelegability Results: Domination and Recursive Enumeration

This page was built for publication: Minimal degrees which are Σ₂⁰ but not Δ₂⁰