ŠOPAUSKAS, Laisvūnas. Semantics of Categoricals In Port-Royal Logic. Problemos, [S. l.], v. 65, p. 115–125, 2004. DOI: 10.15388/Problemos.2004.65.6654. Disponível em: https://journals.vu.lt./problemos/article/view/6654. Acesso em: 26 apr. 2025.