Deontic Logic and Legal Systems

Pablo E. Navarro is a Professor of Philosophy of Law at the National University of the South and Blas Pascal University. He is also a researcher for the National Council for Research in Science and Technology (CONICET) in Argentina. Navarro has published several books and has written papers on legal theory and deontic logic for journals such as Law and Philosophy, Ratio Juris, Rechtstheorie, and Theoria. He was a visiting professor in many European and Latin American universities. He obtained a Guggenheim Fellowship (2001–2) and was recognized by the Konex Foundation (2006) in the discipline of legal philosophy and was awarded the Bernardo Houssay Prize (2003). Jorge L. Rodríguez is a Professor of Legal Theory at the National University of Mar del Plata School of Law and a visiting professor in the department of law at the University of Girona. He has published several books and articles in Argentina, Brazil, Canada, Colombia, Germany, Italy, Mexico, and the United Kingdom on legal theory and deontic logic. Rodríguez was awarded the Young Scholar Prize by the International Association for Philosophy of Law and Social Philosophy (1999) and was recognized by the Konex Foundation in the discipline of the philosophy of law and legal theory (2006). He has served as a criminal judge in Mar del Plata since 2009.

• Part I. Introduction to Deontic Logic: 1. The language of logic and the possibility of deontic logic; 2. Paradoxes and shortcomings of deontic logic; 3. Norm-propositions, conditional norms, and defeasibility; Part II. Logic and Legal Systems: 4. Legal systems and legal validity; 5. Legal indeterminacy: normative gaps and conflicts of norms; 6. Legal dynamics.