Successive failures of approachability
Logic
2018-06-12 v2
Abstract
Motivated by showing that in ZFC we cannot construct a special Aronszajn tree on some cardinal greater than , we produce a model in which the approachability property fails (hence there are no special Aronszajn trees) at all regular cardinals in the interval and is strong limit.
Cite
@article{arxiv.1702.05062,
title = {Successive failures of approachability},
author = {Spencer Unger},
journal= {arXiv preprint arXiv:1702.05062},
year = {2018}
}