ØGAARD, Tore Fjetland. Simplified Semantics for Further Relevant Logics II: Propositional Constants. Logic and Logical Philosophy, [S. l.], v. 34, n. 2, p. 161–191, 2024. DOI: 10.12775/LLP.2024.022. Disponível em: https://apcz.umk.pl/LLP/article/view/54689. Acesso em: 14 jan. 2026.