Doc. RNDr. Marie Duží, CSc., is Associate Professor at VSB-Technical University Ostrava, Czech Republic. Her research interests include philosophical and mathematical logic, conceptual modelling, computer science (theory of information). In 2001 she was one of the invited lecturers in a seminar on Transparent Intensional Logic, University of Leiden, the Netherlands. In 2008 the Rector of VSB-Technical University Ostrava awarded her ... Read morefor the greatest contribution to the scientific and research progress of the entire university. Dr Bjørn Jespersen, PhD., is currently Visiting Researcher at the Section of Philosophy, Faculty of Technology, Policy and Management, Delft University of Technology. Since the late 1990s Jespersen published forty research papers, frequently co-authored with Marie Duží or Pavel Materna, on Transparent Intensional Logic, as well as covering other issues in natural-language semantics, epistemology, and epistemic logic. He co-edited, together with V. Svoboda and C. Cheyne, the 900-page collection of Tichý’s collected papers, published in 2004. PhDr. Pavel Materna, CSc, is Professor of Logic at Masaryk University (Brno), and senior researcher at the Institute of Philosophy of the Czech Academy of Sciences (Prague). Materna is a member of the editorial board of the philosophical journals Filosofický casopis (Philosophical journal) and Organon F, member of the Internationale Bernard-Bolzano Gesellschaft, Salzburg, Austria, and Chairman of the National Committee for Logic, Methodology and Philosophy of Science. Show Less