Contradictions in Multiverse

A translation of Priest’s paraconsistent logic daC into many-sorted logic is presented. Besides, following the project of (Manzano, 1996), the representation theorem, the main theorem and the calculi equivalence are proved. So, it is demonstrated that the formulated translation preserves the set of valid formulas, the consequence relation, and the derivation relation of daC. Furthermore, the compactness and Löwenheim-Skolem theorems are proved for this logic. Alternative proofs for the soundness and completeness theorems for daC based on the translation are also presented.

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Publication Details

Journal
Logic and Logical Philosophy
Published
2025-09-12
DOI
https://doi.org/10.12775/llp.2025.018
Primary Topic
Advanced Algebra and Logic
Type
article
Field-Weighted Citation Impact
0.00

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Contradictions in Multiverse

Julian Mauricio Valdes-Toro
Logic and Logical Philosophy
Advanced Algebra and Logic
article

Contradictions in Multiverse

Julian Mauricio Valdes-Toro
article en

Abstract

A translation of Priest’s paraconsistent logic daC into many-sorted logic is presented. Besides, following the project of (Manzano, 1996), the representation theorem, the main theorem and the calculi equivalence are proved. So, it is demonstrated that the formulated translation preserves the set of valid formulas, the consequence relation, and the derivation relation of daC. Furthermore, the compactness and Löwenheim-Skolem theorems are proved for this logic. Alternative proofs for the soundness and completeness theorems for daC based on the translation are also presented.

Logic and Logical Philosophy
Universidad del Valle (CO)
Universidad del Valle
Openalex Percentile: Top 72%
Advanced Algebra and Logic
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