English

Cut-elimination for $\omega_{1}$

Logic 2018-01-31 v1

Abstract

In this paper we calibrate the strength of the soundness of a Kripke-Platek set theory with the axioms of Infinity and \Pi_{1}-Collection with the assumption that`there exists an uncountable regular ordinal' in terms of the existence of ordinals.

Keywords

Cite

@article{arxiv.1801.10025,
  title  = {Cut-elimination for $\omega_{1}$},
  author = {Toshiyasu Arai},
  journal= {arXiv preprint arXiv:1801.10025},
  year   = {2018}
}

Comments

arXiv admin note: text overlap with arXiv:1508.01548

R2 v1 2026-06-23T00:03:44.036Z