English

Universal models and definability

Category Theory 2015-05-13 v1 Logic

Abstract

We show that the investigation of universal models in Topos Theory can shed light on problems of definability in Logic as well as on the investigation of De Morgan's law and the law of excluded middle on Grothendieck toposes.

Keywords

Cite

@article{arxiv.0906.3061,
  title  = {Universal models and definability},
  author = {Olivia Caramello},
  journal= {arXiv preprint arXiv:0906.3061},
  year   = {2015}
}

Comments

31 pages

R2 v1 2026-06-21T13:14:04.844Z