JASTRZĘBSKI, H.; CHLEBOWSKI, S. Frege and Łukasiewicz on logical values. Hybris, [S. l.], v. 27, n. 4, p. 121–135, 2014. DOI: 10.18778/1689-4286.27.07. Disponível em: https://www.czasopisma.uni.lodz.pl/hybris/article/view/14849. Acesso em: 2 may. 2024.