Ultrafilters in Reverse Mathematics
Logic
2011-09-20 v1
Abstract
We extend theories of reverse mathematics by a non-principal ultrafilter, and show that these are conservative extensions of the usual theories ACA0, ATR0, and Pi11-Comprehension.
Keywords
Cite
@article{arxiv.1109.3902,
title = {Ultrafilters in Reverse Mathematics},
author = {Henry Towsner},
journal= {arXiv preprint arXiv:1109.3902},
year = {2011}
}