## Journal of Symbolic Logic

### The minimal cofinality of an ultrapower of ω and the cofinality of the symmetric groupcan be larger than 𝔟+

#### Abstract

We prove the statement in the title.

#### Article information

Source
J. Symbolic Logic, Volume 76, Issue 4 (2011), 1322-1340.

Dates
First available in Project Euclid: 11 October 2011

https://projecteuclid.org/euclid.jsl/1318338852

Digital Object Identifier
doi:10.2178/jsl/1318338852

Mathematical Reviews number (MathSciNet)
MR2895398

Zentralblatt MATH identifier
1271.03067

#### Citation

Mildenberger, Heike; Shelah, Saharon. The minimal cofinality of an ultrapower of ω and the cofinality of the symmetric groupcan be larger than 𝔟 +. J. Symbolic Logic 76 (2011), no. 4, 1322--1340. doi:10.2178/jsl/1318338852. https://projecteuclid.org/euclid.jsl/1318338852

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