ALEJANDRO. Hume and the Tractatus on "cause/effect", "I" and "is/ought". Analysis. Journal of Philosophical Research, [S. l.], v. 8, n. 2, p. 267–294, 2021. DOI: 10.26754/ojs_arif/arif.202125804. Disponível em: https://papiro.unizar.es/ojs/index.php/analisis/article/view/5804. Acesso em: 5 dec. 2025.