Full reflection of stationary sets below aleph_omega
Logic
2008-02-03 v1
Abstract
It is consistent that for every n >= 2, every stationary subset of omega_n consisting of ordinals of cofinality omega_k where k = 0 or k <= n-3 reflects fully in the set of ordinals of cofinality omega_{n-1}. We also show that this result is best possible.
Cite
@article{arxiv.math/9201242,
title = {Full reflection of stationary sets below aleph_omega},
author = {Thomas Jech and Saharon Shelah},
journal= {arXiv preprint arXiv:math/9201242},
year = {2008}
}