URCHS, M. Making use of logic. Logic and Logical Philosophy, [S. l.], v. 6, n. 6, p. 197–207, 1998. DOI: 10.12775/LLP.1998.011. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1998.011. Acesso em: 26 apr. 2024.