English

Rigidity is undecidable

Logic 2019-02-20 v1 Logic in Computer Science Category Theory

Abstract

We show that the problem `whether a finite set of regular-linear axioms defines a rigid theory' is undecidable.

Keywords

Cite

@article{arxiv.1204.4906,
  title  = {Rigidity is undecidable},
  author = {Mikołaj Bojanczyk and Stanisław Szawiel and Marek Zawadowski},
  journal= {arXiv preprint arXiv:1204.4906},
  year   = {2019}
}

Comments

8 pages

R2 v1 2026-06-21T20:53:10.583Z