Ley natural, determinatio y derecho positivo: Lo indiferente y las determinaciones del legislador

one of the main topics of classical iusnaturalism is the relation between natural law and positive law. for all the classics, positive law originates from the universal principles of law, that aquinas calls lex naturalis. but these universal principles of law are so general and nonspecific, that to be part of a particular justice system (in a particular political community) needs some specification. this form of ？specify？ the natural precepts of morality is called determination, that is the topic of our work.