Cooper, S. Barry, Lewis-Pye, Andrew and Yang, Yue (2005) Properly Σ2 minimal degrees and 0″ complementation. Mathematical Logic Quarterly, 51 (3). pp. 274-276. ISSN 0942-5616
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Identification Number: 10.1002/malq.200410027
Abstract
We show that there exists a properly Σ2 minimal (Turing) degree b, and moreover that b can be chosen to join with 0′ to 0″ – so that b is a 0″ complement for every degree a such that 0′ ≤ a < 0″.
| Item Type: | Article |
|---|---|
| Official URL: | http://onlinelibrary.wiley.com/journal/10.1002/%28... |
| Additional Information: | © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim |
| Divisions: | Mathematics |
| Subjects: | Q Science > QA Mathematics |
| Date Deposited: | 06 Aug 2013 11:10 |
| Last Modified: | 04 Jan 2024 06:27 |
| URI: | http://eprints.lse.ac.uk/id/eprint/51417 |
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