Raffaelli, Matteo. “The Triadic Horizon of Metaphysics and ‘Nothingness’ in Plato, Hegel, and Campanella”. Sophia: Research on Fundamentals and Correlation of Knowledge, vol. 8, no. 2, Mar. 2026, pp. 142-65, https://journal.sophiauniversity.org/ojs/index.php/sophia/article/view/111450.