SKURA, Tomasz. Implicational Logic, Relevance, and Refutability. Logic and Logical Philosophy, [S. l.], v. 29, n. 1, p. 19–33, 2019. DOI: 10.12775/LLP.2019.024. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2019.024. Acesso em: 8 jul. 2025.