Department of Philosophy, Jeonbuk National University, South Korea Biography: Eunsuk Yang received his Ph.D. in Department of Philosophy from Yonsei University in 1997, visited Indiana University (Bloomington), IN, USA, in 2001-2 and 2017-18 as a postdoctoral researcher and a visiting professor, respectively, and is a Professor of Philosophy Department at Jeonbuk National University, Jeonju, South Korea. His research interests include non-classical logics, in particular, fuzzy logic, substructural logic, relevance logic, and algebraic logic. He has published many articles in journals and conference proceedings in these research areas.