The cause of Petros Philargi was argued for by Baldasarre Cossa, the future antipope John XXIII.
Guy de Maillesec was elected to preside over the opening of this event.It was the first church council to actively solicit the participation of academic theologians, with Peter d'Ailly in attendance and John Gearson writing commentaries on it.The cause of Petros Philargi was argued for by Baldasarre Cossa, the future antipope John XXIII. Philargi was elected and took the name Alexander V, but the results were ignored since Urban VI and Clement VII both refused to recognize this council. Setting the stage for the Council of Constance, for 10 points, identify this 1409 ecumenical council that resulted in three Popes and failed to resolve the Great Schism, named for an Italian city.
Guy de Maillesec was elected to preside over the opening of this event.
Council of Pisa