Preserving old ([omega]^{aleph_0},supseteq^*) is proper
Logic
2018-01-16 v3
Abstract
We give some sufficient and necessary conditions on a forcing notion Q for preserving the forcing notion ([omega]^{aleph_0},supseteq^*) is proper. They cover many reasonable forcing notions.
Keywords
Cite
@article{arxiv.1005.2802,
title = {Preserving old ([omega]^{aleph_0},supseteq^*) is proper},
author = {Saharon Shelah},
journal= {arXiv preprint arXiv:1005.2802},
year = {2018}
}