KURPANIK, Szymon. Rationality and the problem of primeval mind. Folia Philosophica, [S. l.], v. 29, p. 323–337, 2011. DOI: 10.31261/fp.21394. Disponível em: https://journals.us.edu.pl/index.php/FOLIA/article/view/21394. Acesso em: 5 dec. 2025.