Schmidt, Ana Rieger. “Did the Medieval Philosophers Admit the Identity Principle As Prior to the Principle of Non-Contradiction?”. Veritas (Porto Alegre) 63, no. 3 (dezembro 31, 2018): 976–997. Acessado julho 17, 2024. https://revistaseletronicas.pucrs.br/ojs/index.php/veritas/article/view/28846.