Complex sentence: The main principle in the sentence was part of Aristotle's interpretation of the law, and shaped the Roman law, but it was not until the Milanese jurist Egidio Bossi (1487-1546) and related it in his treatises.
Split into simpler sentences: The main principle in the sentence was part of Aristotle's interpretation of the law and shaped the Roman law. However, it was not until the Milanese jurist Egidio Bossi (1487-1546) related it in his treatises.