JOAQUIN, Jeremiah Joven. John Searle and the is-ought problem. Mabini Review, Manila, Philippines, v. 1, n. 1, 2012. DOI: 10.70922/tqhbt942. Disponível em: https://publishing.pup.edu.ph/ojs/index.php/MabRev/article/view/367. Acesso em: 24 apr. 2025.