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On uncountable strongly concentrated sets of reals

Logic 2018-12-27 v4

Abstract

We construct new models of ZFZF with an uncountable set of reals that has a unique condensation point. This addresses a question by Sierpi\'{n}ski from 1918.

Keywords

Cite

@article{arxiv.1711.04262,
  title  = {On uncountable strongly concentrated sets of reals},
  author = {Eilon Bilinsky},
  journal= {arXiv preprint arXiv:1711.04262},
  year   = {2018}
}

Comments

13 pages