English

Tall cardinals in extender models

Logic 2021-04-13 v2

Abstract

Assuming that there is no inner model with a Woodin cardinal, we obtain a characterization of λ\lambda-tall cardinals in extender models that are iterable. In particular we prove that in such extender models, a cardinal κ\kappa is a tall cardinal if and only if it is either a strong cardinal or a measurable limit of strong cardinals.

Keywords

Cite

@article{arxiv.1905.10340,
  title  = {Tall cardinals in extender models},
  author = {Gabriel Fernandes and Ralf Schindler},
  journal= {arXiv preprint arXiv:1905.10340},
  year   = {2021}
}
R2 v1 2026-06-23T09:22:47.887Z