Sautter, F. T. and Feitosa, H. de A. (2015) “Peirce’s graphs ad absurdum”, Cognitio: Revista de Filosofia, 16(1), pp. 153–168. Available at: https://revistas.pucsp.br/index.php/cognitiofilosofia/article/view/25195 (Accessed: 5 December 2025).