Barmpalias, George and Lewis-Pye, Andrew (2006) The hypersimple-free c.e. wtt degrees are dense in the c.e. wtt degrees. Notre Dame Journal of Formal Logic, 47 (3). pp. 361-370. ISSN 0029-4527
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Identification Number: 10.1305/ndjfl/1163775443
Abstract
We show that in the c.e. weak truth table degrees if b < c then there is an a which contains no hypersimple set and b < a < c. We also show that for every w < c in the c.e. wtt degrees such that w is hypersimple, there is a hypersimple a such that w < a < c. On the other hand, we know that there are intervals which contain no hypersimple set.
| Item Type: | Article |
|---|---|
| Official URL: | http://projecteuclid.org/DPubS?service=UI&version=... |
| Additional Information: | © 2006 University of Notre Dame |
| Divisions: | Mathematics |
| Subjects: | Q Science > QA Mathematics |
| Date Deposited: | 06 Aug 2013 11:13 |
| Last Modified: | 11 Dec 2024 23:05 |
| URI: | http://eprints.lse.ac.uk/id/eprint/51422 |
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