Isler Soto, Carlos. “Thomas Hobbes and the Problem of the Validity of the Contract in the State of Nature”. Revista de humanidades (Santiago. En línea), no. 41 (January 21, 2020): 129–150. Accessed December 10, 2025. https://revistahumanidades.unab.cl/index.php/revista-de-humanidades/article/view/45.