ST III, q. 78
Of the Form of This Sacrament
We must now consider the form of this sacrament; concerning which there are six points of inquiry:
(1) What is the form of this sacrament?
(2) Whether the form for the consecration of the bread is appropriate?
(3) Whether the form for the consecration of the blood is appropriate?
(4) Of the power of each form?
(5) Of the truth of the expression?
(6) Of the comparison of the one form with the other?
Articles
- a. 1Whether this is the form of this sacrament: "This is My body," and "This is the chalice of My blood"?
- a. 2Whether this is the proper form for the consecration of the bread: "This is My body"?
- a. 3Whether this is the proper form for the consecration of the wine: "This is the chalice of My blood," etc.?
- a. 4Whether in the aforesaid words of the forms there be any created power which causes the consecration?
- a. 5Whether the aforesaid expressions are true?
- a. 6Whether the form of the consecration of the bread accomplishes its effect before the form of the consecration of the wine be completed?