14th Century
Was noted for the opposition to the Immaculate
Conception
from some of the great doctors of scholasticism. The
celebration
of the feast was not denied though. The difficulty
arose from
the meaning of the universal redemption through
Christ.
15th Century
Franciscan theologians solved the difficulty.
Christ, the most
perfect mediator, preserved Mary from original sin
by an equally
perfect act of healing. Duns Scotus (Scotland,
1266-1308)
explained that the Immaculate Conception came
through
God's application of the grace of Christ beforehand.