Preserving Preservation
逻辑
2007-05-23 v1
摘要
We present preservation theorems for countable support iteration of nep forcing notions satisfying ``old reals are not Lebesgue null'' and ``old reals are not meager''. (Nep is a generalization of Suslin proper.) We also give some results for general Suslin ccc ideals.
引用
@article{arxiv.math/0405081,
title = {Preserving Preservation},
author = {Jakob Kellner and Saharon Shelah},
journal= {arXiv preprint arXiv:math/0405081},
year = {2007}
}