MÉNDEZ, José M.; ROBLES, Gemma. Relevance logics, paradoxes of consistency and the K rule II. A non-constructive negation. Logic and Logical Philosophy, [S. l.], v. 15, n. 3, p. 175–191, 2007. DOI: 10.12775/LLP.2006.011. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2006.011. Acesso em: 15 jun. 2025.