Complex sentence: He studied rhetoric at Padua, canon law at Florence (1387-89) and at Bologna (1389-90); taught logic at Padua and Florence, and was tutor of the princes of Carrara at their court at Padua.
Split into simpler sentences: He studied rhetoric at Padua, canon law at Florence (1387-89) and at Bologna (1389-90). He taught logic at Padua and Florence, and was tutor of the princes of Carrara at their court at Padua.