Holger Andreas works as Assistant Professor at the University of British Columbia, Okanagan Campus. Before that, he held non-tenure track Assistant Professorships at LMU Munich (Munich Center for Mathematical Philosophy) and the University of Bonn. His research focuses on the logical analysis of scientific reasoning and scientific theories. His recent work addresses interrelations between non-monotonic reasoning, belief changes, and paraconsistent reasoning. Peter Verdée is assistant professor at the Université catholique de Louvain. He obtained his PhD in Philosophy at Ghent University under the supervision of Diderik Batens with a dissertation on Adaptive Logic. His research focuses on non-monotonic, paraconsistent, and relevant logics, with particular interest in inconsistent mathematics and the formalization of implications and conditionals in natural language.