 He published and defended a dissertation "Specimen Quaestionum Philosophicarum ex Jure collectarum" ("An Essay of Collected Philosophical Problems of Right"), arguing for both a theoretical and a pedagogical relationship between philosophy and law, in December 1664.After one year of legal studies, he was awarded his bachelor's degree in Law on 28 September 1665.His dissertation was titled "De conditionibus" ("On Conditions").