VAN BENDEGEM, J. P. Classical arithmetic is quite unnatural. Logic and Logical Philosophy, [S. l.], n. 11-12, p. 231–249, 2003. DOI: 10.12775/LLP.2003.012. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2003.012. Acesso em: 25 jul. 2024.