JAŚKOWSKI, S. A propositional calculus for inconsistent deductive systems. Logic and Logical Philosophy, [S. l.], v. 7, n. 7, p. 35–56, 2004. DOI: 10.12775/LLP.1999.003. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1999.003. Acesso em: 28 apr. 2024.