English

A realization theorem for the modal logic of transitive closure $\mathsf{K}^+$

Logic 2024-11-25 v2

Abstract

We present a justification logic corresponding to the modal logic of transitive closure K+\mathsf{K}^+ and establish a normal realization theorem relating these two systems. The result is obtained by means of a sequent calculus allowing non-well-founded proofs.

Keywords

Cite

@article{arxiv.2402.04027,
  title  = {A realization theorem for the modal logic of transitive closure $\mathsf{K}^+$},
  author = {Daniyar Shamkanov},
  journal= {arXiv preprint arXiv:2402.04027},
  year   = {2024}
}

Comments

The proof of the main lemma at the end of the article contains some inaccuracies that were corrected in preparation of the journal version

R2 v1 2026-06-28T14:40:11.535Z