Øhrstrøm, Peter, Martin Prior, Andreas M Müller, and David Jakobsen. “A.N. Prior’s Development and Presentation of Tense-Logic and Its Context in June-August 1954”. Logic and Philosophy of Time 6, no. 1 (January 13, 2025). Accessed March 13, 2025. https://journals.aau.dk/index.php/logic/article/view/9938.