Set theory without choice: not everything on cofinality is possible
Logic
2008-02-03 v1
Abstract
We prove (ZF+DC) e.g. : if mu =|H(mu)| then mu^+ is regular non measurable. This is in contrast with the results for mu = aleph_{omega} on measurability see Apter Magidor [ApMg]
Keywords
Cite
@article{arxiv.math/9512227,
title = {Set theory without choice: not everything on cofinality is possible},
author = {Saharon Shelah},
journal= {arXiv preprint arXiv:math/9512227},
year = {2008}
}