Infinitary Cut-Elimination for Non-Wellfounded Parsimonious Linear Logic

Fuente: arXiv
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Autores principales: Acclavio, Matteo, Curzi, Gianluca, Guerrieri, Giulio
Formato: Preprint
Publicado: 2023
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author Acclavio, Matteo
Curzi, Gianluca
Guerrieri, Giulio
author_facet Acclavio, Matteo
Curzi, Gianluca
Guerrieri, Giulio
contents We investigate non-wellfounded proof systems based on parsimonious logic, a weaker variant of linear logic where the exponential modality ! is interpreted as a constructor for streams over finite data. Logical consistency is maintained at a global level by adapting a standard progressing criterion. We present an infinitary version of cut-elimination based on finite approximations, and we prove that, in presence of the progressing criterion, it returns well-defined non-wellfounded proofs at its limit. Furthermore, we show that cut-elimination preserves the progressive criterion and various regularity conditions internalizing degrees of proof-theoretical uniformity. Finally, we provide a denotational semantics for our systems based on the relational model.
format Preprint
id arxiv_https___arxiv_org_abs_2308_07789
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Infinitary Cut-Elimination for Non-Wellfounded Parsimonious Linear Logic
Acclavio, Matteo
Curzi, Gianluca
Guerrieri, Giulio
Logic in Computer Science
We investigate non-wellfounded proof systems based on parsimonious logic, a weaker variant of linear logic where the exponential modality ! is interpreted as a constructor for streams over finite data. Logical consistency is maintained at a global level by adapting a standard progressing criterion. We present an infinitary version of cut-elimination based on finite approximations, and we prove that, in presence of the progressing criterion, it returns well-defined non-wellfounded proofs at its limit. Furthermore, we show that cut-elimination preserves the progressive criterion and various regularity conditions internalizing degrees of proof-theoretical uniformity. Finally, we provide a denotational semantics for our systems based on the relational model.
title Infinitary Cut-Elimination for Non-Wellfounded Parsimonious Linear Logic
topic Logic in Computer Science
url https://arxiv.org/abs/2308.07789