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https://doi.org/10.2178/jsl/1107298519
| Title: | On the definable ideal generated by nonbounding c.e. degrees | Authors: | Yu, L. Yang, Y. |
Issue Date: | Mar-2005 | Citation: | Yu, L., Yang, Y. (2005-03). On the definable ideal generated by nonbounding c.e. degrees. Journal of Symbolic Logic 70 (1) : 252-270. ScholarBank@NUS Repository. https://doi.org/10.2178/jsl/1107298519 | Abstract: | Let [NB]1 denote the ideal generated by nonbounding c.e. degrees and NCup the ideal of noncuppable c.e. degrees. We show that both [NB] 1 ∩ NCup and the ideal generated by nonbounding and noncuppable degrees are new, in the sense that they are different from M, [NB]1 and NCup - the only three known definable ideals so far. © 2005, Association for Symbolic Logic. | Source Title: | Journal of Symbolic Logic | URI: | http://scholarbank.nus.edu.sg/handle/10635/103786 | ISSN: | 00224812 | DOI: | 10.2178/jsl/1107298519 |
| Appears in Collections: | Staff Publications |
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