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December 2011 The minimal cofinality of an ultrapower of ω and the cofinality of the symmetric groupcan be larger than 𝔟+
Heike Mildenberger, Saharon Shelah
J. Symbolic Logic 76(4): 1322-1340 (December 2011). DOI: 10.2178/jsl/1318338852

Abstract

We prove the statement in the title.

Citation

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Heike Mildenberger. Saharon Shelah. "The minimal cofinality of an ultrapower of ω and the cofinality of the symmetric groupcan be larger than 𝔟+." J. Symbolic Logic 76 (4) 1322 - 1340, December 2011. https://doi.org/10.2178/jsl/1318338852

Information

Published: December 2011
First available in Project Euclid: 11 October 2011

zbMATH: 1271.03067
MathSciNet: MR2895398
Digital Object Identifier: 10.2178/jsl/1318338852

Subjects:
Primary: 03E05, 03E17, 03E35

Rights: Copyright © 2011 Association for Symbolic Logic

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Vol.76 • No. 4 • December 2011
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