KACZMAREK, Janusz. On Thought and Proposition. Acta Universitatis Lodziensis. Folia Philosophica. Ethica-Aesthetica-Practica, [S. l.], n. 9, p. 43–49, 1993. DOI: 10.18778/0208-6107.09.04. Disponível em: https://czasopisma.uni.lodz.pl/philosophica/article/view/17751. Acesso em: 28 sty. 2025.