The breadth of constructibility degrees and definable Sierpi\'nski's coverings
Logic
2025-12-01 v2
Abstract
Generalizing a result of T\"ornquist and Weiss, we study the connection between the existence of Sierpi\'{n}ski's coverings of , and a cardinal invariant of the upper semi-lattice of constructibility degrees known as breadth.
Keywords
Cite
@article{arxiv.2408.10182,
title = {The breadth of constructibility degrees and definable Sierpi\'nski's coverings},
author = {Alessandro Andretta and Lorenzo Notaro},
journal= {arXiv preprint arXiv:2408.10182},
year = {2025}
}
Comments
14 pages