Square and Delta reflection
Logic
2016-02-04 v1
Abstract
Starting from infinitely many supercompact cardinals, we force a model of ZFC where satisfies simultaneously a strong principle of reflection, called -reflection, and a version of the square principle, denoted Thus we show that can satisfy simultaneously a strong reflection principle and an anti-reflection principle.
Keywords
Cite
@article{arxiv.1602.01264,
title = {Square and Delta reflection},
author = {Laura Fontanella and Yair Hayut},
journal= {arXiv preprint arXiv:1602.01264},
year = {2016}
}