Q
Logic
2016-11-28 v1
Abstract
A Q-set is an uncountable set of reals all of whose subsets are relative sets. We prove that, for an arbitrary uncountable cardinal kappa, there is consistently a Q-set of size whose square is not Q. This answers a question of A. Miller.
Cite
@article{arxiv.1611.08152,
title = {Q},
author = {Joerg Brendle},
journal= {arXiv preprint arXiv:1611.08152},
year = {2016}
}