Another method to add a closed unbounded set of former regulars
Logic
2022-06-14 v1
Abstract
A club consisting of former regulars is added to an inaccessible cardinal, without changing cofinalities outside it. The initial assumption is optimal. A variation of the Radin forcing without a top measurable cardinal is introduced for this.
Keywords
Cite
@article{arxiv.2206.05693,
title = {Another method to add a closed unbounded set of former regulars},
author = {Moti Gitik and Sittinon Jirattikansakul},
journal= {arXiv preprint arXiv:2206.05693},
year = {2022}
}
Comments
19 pages