Shahid Rahman is full-professor (classe exceptionnelle) of logic and epistemology at the Université de Lille-Nord-pas-de-Calais, Sciences Humaines et Sociales. He is also researcher at the UMR-CNRS 8163 : STL.  Prof. Rahman works span both philosophy of logic and its history, including a dialogical perspective on Constructive Type Theory. In fact, he is the leading researcher in the field of the dialogical approach to logic to which he contributed with publications in, among other fields, non-classical logics, legal reasoning, Arabic Logic and Jain Logic. Prof. Rahman is the main editing director of two collections of books in Springer, namely, Logic, Epistemology and the Unity of Science (more than 40 volumes edited so far) ; and Logic, Argumentation and Reasoning, Perspectives from the Social Sciences and the Humanities. He is also main editor director of three other collections in College Publications, London,King’s College : Cahiers de Logique et Epistémologie, Dialogues, Cuadernos de Lógica, Epistemología y Lenguaje. His most recent books include N. Clerbout/S. Rahman: Linking Game-Theoretical Approaches with Constructive Type Theory. Dialogical Strategies, CTT Demonstrations and the Axiom of Choice, Dordrecht, Springer, 2015; and S. Rahman/Z. McConaughey/A. Klev/N.Clerbout: Immanent Reasoning or Equality in Action, Dordrecht: Springer, 2018, in print. Matthias Armgardt is full professor at the university of Hamburg. He holds the Chair of Global Legal History and Private Law at the faculty of law. His research areas include Legal Logic, Leibniz's Legal Philosophy, Ancient Law and Private Law.  Hans Christian Nordtveit Kvernenes is currently a PhD student in philosophy at Savoirs, Textes et Langage, Université de Lille 3. His project is relating logic to analogical reasoning in European law, 'A Dialogical Framework for Analogy in Legal Reasoning - The Ratio Legis and Precedent Case Models'.