TEGTMEIER, E. Diversity. Logic and Logical Philosophy, [S. l.], n. 3, p. 175–183, 2003. DOI: 10.12775/LLP.1995.010. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1995.010. Acesso em: 26 apr. 2024.