TRYBUS, Adam. What is the Principle of (Non-)Contradiction, Precisely? The Struggle at the Dawn of Formal Logic. Logic and Logical Philosophy, [S. l.], p. 1–22, 2024. DOI: 10.12775/LLP.2024.026. Disponível em: https://apcz.umk.pl/LLP/article/view/50068. Acesso em: 29 jun. 2025.