DA COSTA, Newton C.A. Opening address: Paraconsistent logic. Logic and Logical Philosophy, [S. l.], v. 7, n. 7, p. 25–34, 2004. DOI: 10.12775/LLP.1999.002. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1999.002. Acesso em: 8 jul. 2025.