PAROL, Aleksander. A History of Positional Logic. Studia z Historii Filozofii, [S. l.], v. 16, n. 4, p. 63=122, 2025. DOI: 10.12775/szhf.2025.000. Disponível em: https://apcz.umk.pl/szhf/article/view/58477. Acesso em: 28 grudz. 2025.