DIRADO, P. J. Cephalus, the Myth of Er, and Remaining Virtuous in Unvirtuous Times. PLATO JOURNAL, [S. l.], v. 14, p. 63-83, 2015. DOI: 10.14195/2183-4105_14_5. Disponível em: https://impactum-journals.uc.pt/platojournal/article/view/2183-4105_14_5. Acesso em: 13 jun. 2025.