BOERO, H. Towards the silvery peak: some keys to the evolution of Peirce’s Ethics. Cognitio: Revista de Filosofia, [S. l.], v. 15, n. 2, p. 257–274, 2015. Disponível em: https://revistas.pucsp.br/index.php/cognitiofilosofia/article/view/23072. Acesso em: 27 jul. 2024.