dr hab. Jadwiga Potrzeszcz - doctor of legal sciences, assistant professor at the Department of Theory and Philosophy of Law at the Faculty of Law, Canon Law and Administration of the John Paul II Catholic University of Lublin, Master of Polish Philology, IVR member, Scientific Association of the Catholic University of Lublin and the Legal Commission of the Polish Academy of Sciences in Lublin. The author of several dozen publications on the theory and philosophy of law, among others: Philosophical foundations of human rights in the Constitution of the Republic of Poland of 1997 ("Annals of Legal Sciences" 2002, n. 1), The idea of law in the jurisprudence of the Polish Constitutional Tribunal (Lublin 2007), The usefulness of the non-positivist concept of law in the process of reaching a just law by the Constitutional Tribunal ("Przegląd Sejmowy" 2009, No. 5), Universal grammar of morality and law ("Forum Prawnicze" 2011, no. 4-5), Philosophical Law of Arthur Kaufmann ("Annals of Legal Sciences" 2011, No. 1); "Radbruch's Formula" and "Cathrein's Formula" ("Annals of Legal Sciences" 2011, No. 2).