NASIENIEWSKI, M. A relational syllogistic. Logic and Logical Philosophy, [S. l.], v. 13, n. 13, p. 139–145, 2004. DOI: 10.12775/LLP.2004.008. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2004.008. Acesso em: 27 apr. 2024.