Gajda-Krynicka, Janina. “The Propedeutic of the Theory of Judgment in Ancient Philosophy from the Sophists to Plato’s Theaetetus”. Folia Philosophica 42 (December 30, 2019): 21–45. Accessed February 13, 2026. https://journals.us.edu.pl/index.php/FOLIA/article/view/8513.