RACLAVSKÝ, Jiří. The Rule of Existential Generalisation and Explicit Substitution. Logic and Logical Philosophy, [S. l.], v. 31, n. 1, p. 105–141, 2021. DOI: 10.12775/LLP.2021.011. Disponível em: https://apcz.umk.pl/LLP/article/view/31855. Acesso em: 29 apr. 2025.