English

PFA(S)[S] and countably compact spaces

Logic 2016-07-18 v1

Abstract

We show a number of undecidable assertions concerning countably compact spaces hold under PFA(S)[S]. We also show the consistency without large cardinals of "every locally compact, perfectly normal space is paracompact".

Keywords

Cite

@article{arxiv.1607.04368,
  title  = {PFA(S)[S] and countably compact spaces},
  author = {Alan Dow and Franklin D. Tall},
  journal= {arXiv preprint arXiv:1607.04368},
  year   = {2016}
}
R2 v1 2026-06-22T14:55:25.934Z