ŁYCZAK, M.; PIETRUSZCZAK, A. On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories. Bulletin of the Section of Logic, [S. l.], v. 47, n. 4, p. 233–263, 2018. DOI: 10.18778/0138-0680.47.4.02. Disponível em: https://czasopisma.uni.lodz.pl/bulletin/article/view/4776. Acesso em: 20 apr. 2024.