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"The minimal cofinality of an ultrapower of ω and the cofinality of ..."
Heike Mildenberger, Saharon Shelah (2011)
- Heike Mildenberger, Saharon Shelah
:
The minimal cofinality of an ultrapower of ω and the cofinality of the symmetric groupcan be larger than +. J. Symb. Log. 76(4): 1322-1340 (2011)
![](https://dblp.uni-trier.de./img/cog.dark.24x24.png)
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