The Journal of Non-Classical Logic https://www.cle.unicamp.br/eprints/index.php/jancl <p style="margin-bottom: 0cm; line-height: 100%;" align="justify"><strong><span style="font-family: serif;"><span style="font-size: medium;"><span style="font-weight: normal;"><img src="/eprints//public/site/images/Administrador/JNCL-Capa.jpg" width="157" height="238">The JOURNAL OF NON-CLASSICAL LOGIC (JNCL) was founded in 1982 by the Centre for Logic, Epistemology and the History of Science (CLE) of the State University of Campinas (UNICAMP), as the first journal totally devoted to the area of non-classical logics.</span></span></span></strong></p> Centre for Logic, Epistemology and the History of Science (CLE) en-US The Journal of Non-Classical Logic Multisets, Quasi-Sets and Weyl's Aggregates https://www.cle.unicamp.br/eprints/index.php/jancl/article/view/1112 <p>.</p> Décio Krause ##submission.copyrightStatement## 1991-11-01 1991-11-01 8 2 On da Costa Algebras https://www.cle.unicamp.br/eprints/index.php/jancl/article/view/1113 <p>.</p> José Seoane L. P. de Alcantara ##submission.copyrightStatement## 2018-01-30 2018-01-30 8 2 The Construction of the Calculi Cn of da Costa https://www.cle.unicamp.br/eprints/index.php/jancl/article/view/1114 <p>.</p> Elias H. Alves Giovanni S. Queiroz ##submission.copyrightStatement## 2018-01-30 2018-01-30 8 2 Quasivarieties of Wajsberg Algebras https://www.cle.unicamp.br/eprints/index.php/jancl/article/view/1115 <p><img src="/eprints//public/site/images/Administrador/Doc1-11.jpg"></p> Hernando Gaitan ##submission.copyrightStatement## 2018-01-30 2018-01-30 8 2 On S4 as the "Logic of Justified Knowledge '' https://www.cle.unicamp.br/eprints/index.php/jancl/article/view/1116 <p><img src="/eprints//public/site/images/Administrador/Doc2-11.jpg" width="1578" height="2232"></p> Javier Legris ##submission.copyrightStatement## 2018-01-30 2018-01-30 8 2