Kechris, Alexander S. and Marker, David and Sami, Ramez L. (1989) Π^1_1 Borel Sets. Journal of Symbolic Logic, 54 (3). pp. 915-920. ISSN 0022-4812. https://resolver.caltech.edu/CaltechAUTHORS:20130528-084327264
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Abstract
The results in this paper were motivated by the following question of Sacks. Suppose T is a recursive theory with countably many countable models. What can you say about the least ordinal ɑ such that all models of T have Scott rank below ɑ? If Martin's conjecture is true for T then ɑ ≤ ω·2.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1989, Association for Symbolic Logic. Received January 28, 1988; revised May 9, 1988. The first two authors were partially supported by the National Science Foundation. | |||||||||
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| Issue or Number: | 3 | |||||||||
| Record Number: | CaltechAUTHORS:20130528-084327264 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20130528-084327264 | |||||||||
| Official Citation: | Π11 Borel Sets Alexander S. Kechris, David Marker and Ramez L. Sami; 915-920 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 38676 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 28 May 2013 16:24 | |||||||||
| Last Modified: | 03 Oct 2019 04:59 |
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