Daniel Heider is Associate Professor of Philosophy at the University of South Bohemia. Among his many publications on metaphysics and epistemology in Post-Medieval / Early Modern scholasticism are his monographs Universals in Second Scholasticism (2014) and Aristotelian Subjectivism: Francisco Suárez's Philosophy of Perception (2021). Claus A. Andersen is currently Postdoc at the Université catholique de Louvain; from 2019 to 2022, he was Postdoc at the University of South Bohemia. He specializes in Late Scholastic thought and is author of the monograph Metaphysik im Barockscotismus (2016) and co-editor of Pere Daguí, Tractatus formalitatum brevis, Tractatus de differentia (2018).