On Namba Forcing and Minimal Collapses
Logic
2025-10-15 v1
Abstract
We build on a 1990 paper of Bukovsky and Coplakova-Hartova. First, we remove the hypothesis of from one of their minimality results. Then, using a measurable cardinal, we show that there is a -minimal extension that is not a -extension, answering the first of their questions.
Cite
@article{arxiv.2408.03487,
title = {On Namba Forcing and Minimal Collapses},
author = {Maxwell Levine},
journal= {arXiv preprint arXiv:2408.03487},
year = {2025}
}