Non-deterministic semantics for paraconsistent C-systems

Arnon Avron*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Scopus citations

Abstract

We provide non-deterministic semantics for the 3 basic paraconsistent C-systems C (also known as bC), Ci, and Cia, as well as to all 9 extensions of them by one or two of the schemata (I) ¬(φ∧¬φ) ⊃ oφ and (e) φ ⊃ ¬¬φ. This includes da Costa's original C 1 (which is equivalent to Cila). Our semantics is 3-valued for the systems without (I), and infinite-valued for the systems with it. We prove that these results cannot be improved: neither of the systems without (I) has either a finite characteristic ordinary matrix or a two-valued characteristic non-deterministic matrix, and neither of the systems with (I) has a finite characteristic non-deterministic matrix. Still, our semantics suffices for providing decision procedures for all the systems investigated.

Original languageEnglish
Title of host publicationSymbolic and Quantitative Approaches to Reasoning with Uncertainty - 8th European Conference, ECSQARU 2005, Proceedings
PublisherSpringer Verlag
Pages625-637
Number of pages13
ISBN (Print)3540273263, 9783540273264
DOIs
StatePublished - 2005
Event8th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty, ECSQARU 2005 - Barcelona, Spain
Duration: 6 Jul 20058 Jul 2005

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3571 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference8th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty, ECSQARU 2005
Country/TerritorySpain
CityBarcelona
Period6/07/058/07/05

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