In, With, and Under: Sacramental Union, Not Transubstantiation

Holy Scripture clearly affirms the substantial presence of Christ in the Lord’s Supper. Yet, throughout the history of the Church, theologians have explained this presence in different ways. In Western Christendom before the Reformation, transubstantiation became the standard doctrine. The Fourth Lateran Council of 1215 dogmatized transubstantiation as official and infallible Church teaching. The Council of Trent reaffirmed transubstantiation after the Reformation was underway. 

Luther On Transubstantiation

Martin Luther distributing Holy Communion

Martin Luther took a different approach. In On the Babylonian Captivity of the Church, Luther rejected transubstantiation, while still allowing that it could be accepted as a theologoumena. Although he later became more opposed to the doctrine, Luther was never as hostile to transubstantiation as he was to the sacramental teaching of the southern Reformers. This was largely because although transubstantiation is a misguided account of the substantial presence of Christ in the Eucharist, it nevertheless affirms the core biblical teaching that Jesus is present in the elements of the Lord’s Supper.  

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