He suggested that this theory of the substantial unity of a body might explain transubstantiation, by supposing that, while the monads and phenomena of bread remain, the vinculum substantiale of the body of Christ is substituted.
And such bread is called bread blessed, although no one believes that out of it is made the body of Christ.
At the very end of his long career of theological discussion, Justinian himself lapsed into heresy, by accepting the doctrine that the earthly body of Christ was incorruptible, insensible to the weaknesses of the flesh, a doctrine which had been advanced by Julian, bishop of Halicarnassus, and went by the name of Aphthartodocetism.
In some devotional pictures of the time Diirer seems to have been much helped by pupils, as in the two different compositions of the Marks weeping over the body of Christ preserved respectively at Munich and Nuremberg.
After prolonged discussion the differences were narrowed to one point - the presence of the body of Christ extended in space in the sacrament of the Supper.
