COPELAND, B. Jack; MARKOSKA-CUBRINOVSKA, Aneta. Prior’s System Q and its Extensions. Logic and Philosophy of Time, [S. l.], v. 5, n. 1, 2024. DOI: 10.54337/lpt.v5i1.7893. Disponível em: https://journals.aau.dk/index.php/logic/article/view/7893. Acesso em: 9 apr. 2025.