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Paraconsistent-Lib: An Intuitive PAL2v Algorithm Python Library

by Arnaldo De Carvalho Junior, Diego Oliveira da Cruz, Bruno da Silva Alves, Fernando da Silva Paulo Junior, and João Inacio da Silva Filho

Posted: November 26, 2025
Server: Preprints.org
DOI: 10.20944/preprints202511.1901.v1

This paper introduces Paraconsistent-Lib, an open-source, easy-to-use Python library for building PAL2v algorithms in reasoning and decision-making systems. Paraconsistent-Lib is designed as a general-purpose library of PAL2v standard calculations, presenting three types of results: paraconsistent analysis in one of the 12 classical lattice PAL2v regions, paraconsistent analysis node (PAN) outputs, and a decision output. With Paraconsistent-Lib, well-known PAL2v algorithms such as Para-analyzer, ParaExtrCTX, PAL2v Filter, paraconsistent analysis network (PANnet), and paraconsistent neural network (PNN) can be written in stand-alone or network form, reducing complexity, code size, and bugs, as two examples presented in this paper. Given its stable state, Paraconsistent-Lib is an active development to respond to user-required features and enhancements received on GitHub.

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