Quine on Observation Sentence: A Philosophical Reflection. NBPA Journal for Arts, Humanities & Social Sciences , [S. l.], v. 2, n. 4, p. 1–15, 2026. DOI: 10.65842/nbpa.v2.i4.001. Disponível em: https://nbpajournal.com/index.php/nbpajahs/article/view/77. Acesso em: 3 oct. 2026.