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Initial segments of degrees below $0^{′} $

About this Title

Richard L. Epstein

Publication: Memoirs of the American Mathematical Society
Publication Year: 1981; Volume 30, Number 241
ISBNs: 978-0-8218-2241-8 (print); 978-1-4704-0648-6 (online)
DOI: https://doi.org/10.1090/memo/0241
MathSciNet review: 603392
MSC: Primary 03D30; Secondary 03D35

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Table of Contents

Chapters

  • 1. $\vdots \overset {*}{\Rightarrow } \mathbb {D}(\le \mathbf {0}’)$
  • 2. $\omega + 1 \overset {*}{\Rightarrow } \mathbb {D}(\le \mathbf {0}’)$
  • 3. The join technique below high r.e. degrees
  • 4. Joins and $\omega + 1 \overset {*}{\Rightarrow } \mathbb {D}(\le \mathbf {0}’)$
  • Appendix A. Arithmetic $\equiv \mathcal {D}(\le \mathbf {0}’)$
  • Appendix B. Corrections to “Degrees of Unsolvability” and to “Minimal Degrees”