KNOWLTON, Tyler; TRUESWELL, John; PAPAFRAGOU, Anna. New evidence for the unlearnability of non-conservative quanti ers. Proceedings of the Amsterdam Colloquium, Amsterdam, p. 374–381, 2022. Disponível em: https://platform.openjournals.nl/PAC/article/view/21748.. Acesso em: 5 dec. 2025.