Part III — The Sacrament Hardens

Part III shows how bread’s sacramental authority becomes doctrinal, ecclesial, and domestic.

10. Transubstantiation and the Preservation of the Accidents

Substance and accidents become more than technical terms. In Catholic theology, the consecrated bread is truly Christ, while the sensible and bodily operations of bread remain. The claim is theological before it becomes a metabolic irony.

11. The Schism Over Leaven

The East-West leaven controversy shows how much theological meaning can gather around the physical state of bread. Leaven is not the whole story of 1054. It is a revealing strand inside wider political, linguistic, jurisdictional, and theological conflicts.

12. Luther’s Catechism and the Reformation’s Daily Bread

The Reformation does not simply desacralize bread. Luther expands daily bread into a synecdoche for all bodily provision, while Eucharistic disagreements keep bread central to Protestant fracture.