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Summa Theologiae · III, q. 74

Question 74. Of the Matter of This Sacrament

Thomas Aquinas, Summa Theologiae, Third Part. 8 articles.

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Text: Summa Theologiae, Project Gutenberg #19950, Third Part (Tertia Pars), translated by the Fathers of the English Dominican Province. The Third Part of the Summa in the English Dominican translation (first printed 1911 to 1925; second and revised edition from 1920). A sample check on 2026-11-09 against pre-1931 printings at the Internet Archive (first printings of 1915 and 1916 and the second and revised edition of the 1920s) found that the article text matches, with no 1947 introduction, synopsis, or index. The phrase “From the Complete American Edition” in Gutenberg's catalog title is a provenance note only. Question and article numbers were added by the transcriber. The Gutenberg text ends at question 90 of the Third Part, where Aquinas stopped writing; the Supplement is a separate edition here, transcribed from 1917 to 1922 printings of the same translation. Rights: Public domain (US)

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We have now to consider the matter of this sacrament: and first of all as to its species; secondly, the change of the bread and wine into the body of Christ; thirdly, the manner in which Christ's body exists in this sacrament; fourthly, the accidents of bread and wine which continue in this sacrament.

Under the first heading there are eight points for inquiry:

(1) Whether bread and wine are the matter of this sacrament?

(2) Whether a determinate quantity of the same is required for the matter of this sacrament?

(3) Whether the matter of this sacrament is wheaten bread?

(4) Whether it is unleavened or fermented bread?

(5) Whether the matter of this sacrament is wine from the grape?

(6) Whether water should be mixed with it?

(7) Whether water is of necessity for this sacrament?

(8) Of the quantity of the water added.

Articles

  1. Whether the Matter of This Sacrament Is Bread and Wine?
  2. Whether a Determinate Quantity of Bread and Wine Is Required for the Matter of This Sacrament?
  3. Whether Wheaten Bread Is Required for the Matter of This Sacrament?
  4. Whether This Sacrament Ought to Be Made of Unleavened Bread?
  5. Whether Wine of the Grape Is the Proper Matter of This Sacrament?
  6. Whether Water Should Be Mixed with the Wine?
  7. Whether the Mixing with Water Is Essential to This Sacrament?
  8. Whether Water Should Be Added in Great Quantity?

Also online, linked only: the same translation at New Advent and the Latin text at Corpus Thomisticum. Neither is copied here.

Source: Thomas Aquinas. Summa Theologica, Third Part. Project Gutenberg #19950. Project Gutenberg record. Public domain in the USA. Outside the U.S., check local copyright rules. Project Gutenberg notices retained. The full Project Gutenberg license is kept in the hosted text.