In the early 1420s he was probably in the service of the Conciliar movement after the death, in February 1431, of Pope Martin V; many musicians left at that time or shortly after, and Lantins may have been one of them.
12.
Following the breakdown of monastic institutions and scholasticism in late medieval Europe, accentuated by the " Babylonian Captivity " of the Papacy, the Papal Schism, and the failure of the Conciliar movement, the sixteenth century saw a great cultural debate about religious reforms and later fundamental religious values ( See German mysticism ).
13.
The Reformed churches thus believed in some form of Catholicity, founded on their doctrines of the five solas and a visible ecclesiastical organization based on the 14th and 15th century Conciliar movement, rejecting the papacy and papal infallibility in favor of ecumenical councils, but rejecting the latest ecumenical council, the Council of Trent.
14.
Historians would generally assume that the failure to reform ( too many vested interests, lack of coordination in the reforming coalition ) would eventually lead to a greater upheaval or even revolution, since the system must eventually be adjusted or disintegrate, and the failure of the Conciliar movement helped lead to the Protestant Reformation in Europe.
15.
Luther borrowed from the humanists the sense of individualism, that each man can be his own priest ( an attitude likely to find popular support considering the rapid rise of an educated urban middle class in the North ), and that the only true authority is the Bible, echoing the reformist zeal of the Conciliar movement and opening up the debate once again on limiting the authority of the Pope.
16.
On Francis's part, it was at last firmly conceded that the Pope's powers were not subject to any council ( the previous French position had been to support the decisions of the Council of Basel ), an affirmation of the papal position in the long-crushed Conciliar Movement, which was in the process of being condemned at the contemporaneous Fifth Lateran Council ( 1512 17 ), which confirmed the Concordat.
