English

Relational Hypersequent S4 and B are Cut-Free Hypersequent Incomplete

Logic 2021-08-30 v1 Logic in Computer Science

Abstract

We show that relational hypersequent K4, S4, KB and RB, investigated in Parisi (2020) and Burns and Zach (2020) are cut-free hypersequent incomplete. In addition, the former two are also cut-free sequent and formula incomplete.

Cite

@article{arxiv.2108.12095,
  title  = {Relational Hypersequent S4 and B are Cut-Free Hypersequent Incomplete},
  author = {Kai Tanter},
  journal= {arXiv preprint arXiv:2108.12095},
  year   = {2021}
}
R2 v1 2026-06-24T05:27:33.290Z