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On Keisler singular-like models.
- Source :
-
Mathematical Logic Quarterly . May2008, Vol. 54 Issue 3, p330-336. 7p. - Publication Year :
- 2008
-
Abstract
- Keisler in [7] proved that for a strong limit cardinal κ and a singular cardinal λ, the transfer relation κ → λ holds. We analyze the λ -like models produced in the proof of Keisler's transfer theorem when κ is further assumed to be regular. Our main result shows that with this extra assumption, Keisler's proof can be modified to produce a λ -like model M with built-in Skolem functions that satisfies the following two properties: (1) M is generated by a subset C of order-type λ. (2) M can be written as union of an elementary end extension chain 〈Ni: i < δ 〉 such that for each i < δ, there is an initial segment Ci of C with Ci ⊆ Ni, and Ni ∩ (C \Ci) = ∅. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09425616
- Volume :
- 54
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Mathematical Logic Quarterly
- Publication Type :
- Academic Journal
- Accession number :
- 31964035
- Full Text :
- https://doi.org/10.1002/malq.200710047