Transubstantiation And The Preservation Of The Accidents

Where we are on the timeline

Part III begins after This Is My Body. The Eucharistic loaf is now not only a ritual object; it becomes the subject of precise metaphysical doctrine.

This chapter asks a narrow question: what changes, and what does not?

The textual claim is strong: Lateran IV and Aquinas teach that bread’s substance changes while its accidents remain. The historical claim is strong: this became central to Latin eucharistic doctrine. The metabolic claim is cautious: “nutritional value” is a modern gloss, but Aquinas does say the species retain natural operations.

Sections

  1. What Changes
  2. Substance Accidents Species
  3. Natural Operations Remain
  4. Lateran And Aquinas
  5. The Gluten Problem Foreshadowed