In 1877 he was appointed to a second chair in the University of Pisa, from then on holding the chair of infinitesimal analysis in addition to his earlier professorial appointment.
Sa 1877 siya ay hihirangin upang angkinin ang isang ikalawang upuan sa University of Pisa, pagkatapos ay mula sa humahawak ng upuan ng katiting na katiting na pagtatasa sa karagdagan sa kanyang mas maaga pampropesor appointment.