ALONSO-OVALLE, Luis; MENÉNDEZ-BENITO, Paula. Epistemic Indefinites: Are We Ignorant About Ignorance?. Proceedings of the Amsterdam Colloquium, Amsterdam, p. 35–42, 2013. Disponível em: https://platform.openjournals.nl/PAC/article/view/22434.. Acesso em: 19 apr. 2026.