RÖNNEDAL, D. Counterfactuals and semantic tableaux. Logic and Logical Philosophy, [S. l.], v. 18, n. 1, p. 71–91, 2009. DOI: 10.12775/LLP.2009.006. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2009.006. Acesso em: 19 apr. 2024.