PIETRUSZCZAK, A. Classical mereology is not elementarily axiomatizable. Logic and Logical Philosophy, [S. l.], v. 24, n. 4, p. 485–498, 2015. DOI: 10.12775/LLP.2015.017. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2015.017. Acesso em: 2 mar. 2024.