Summa Theologiae · III, q. 3
Question 3. Of the Mode of Union on the Part of the Person Assuming
Thomas Aquinas, Summa Theologiae, Third Part. 8 articles.
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 must now consider the union on the part of the Person assuming, and under this head there are eight points of inquiry:
(1) Whether to assume is befitting to a Divine Person?
(2) Whether it is befitting to the Divine Nature?
(3) Whether the Nature abstracted from the Personality can assume?
(4) Whether one Person can assume without another?
(5) Whether each Person can assume?
(6) Whether several Persons can assume one individual nature?
(7) Whether one Person can assume two individual natures?
(8) Whether it was more fitting for the Person of the Son of God to assume human nature than for another Divine Person?