English

Formalization of context-free language theory

Formal Languages and Automata Theory 2015-11-02 v1

Abstract

Context-free language theory is a subject of high importance in computer language processing technology as well as in formal language theory. This paper presents a formalization, using the Coq proof assistant, of fundamental results related to context-free grammars and languages. These include closure properties (union, concatenation and Kleene star), grammar simplification (elimination of useless symbols inaccessible symbols, empty rules and unit rules) and the existence of a Chomsky Normal Form for context-free grammars.

Keywords

Cite

@article{arxiv.1510.09092,
  title  = {Formalization of context-free language theory},
  author = {Marcus V. M. Ramos and Ruy J. G. B. de Queiroz and Nelma Moreira and José Carlos Bacelar Almeida},
  journal= {arXiv preprint arXiv:1510.09092},
  year   = {2015}
}
R2 v1 2026-06-22T11:33:09.155Z