PERON, N.; ANTUNES, H. A Four-Valued Logical Framework for Reasoning About Fiction. Logic and Logical Philosophy, [S. l.], v. 31, n. 4, p. 579–610, 2022. DOI: 10.12775/LLP.2022.020. Disponível em: https://apcz.umk.pl/LLP/article/view/38057. Acesso em: 25 apr. 2024.