From the Supplement, compiled after Aquinas’s death from his Commentary on the Sentences and transcribed here from the 1917 to 1922 printings. About the Supplement.
Text: Summa Theologiae, Supplement to the Third Part (Supplementum Tertiae Partis), transcribed from Internet Archive scans, translated by the Fathers of the English Dominican Province. The Supplement, compiled after Aquinas’s death from his earlier Commentary on the Sentences, in the same English Dominican translation as the Gutenberg Parts. Transcribed by Bibliotheca Catholica from the OCR of four Internet Archive scans of the pre-1931 printings (Questions 1 to 33 from the 1917 Washbourne and Benziger volume, 34 to 68 from the 1922 volume, 69 to 86 from the 1921 volume, and 87 to 99 from the 1922 Benziger volume), with OCR errors corrected and doubtful passages marked, not rewritten. 99 questions and 446 articles. The two appendices printed after Question 99 are not included. Sources, SHA-256 of each OCR file, and the method are in the source record. Rights: Public domain (US)
The Supplement is not a Project Gutenberg text. It is Bibliotheca Catholica’s transcription of public-domain scans at the Internet Archive; obvious OCR errors were corrected, and passages marked “OCR uncertain” could not be confidently corrected, so check them against the linked scan page.
Objection 1: It seems that a man cannot be absolved from one excommunication without being absolved from all. For an effect should be proportionate to its cause. Now the cause of excommunication is a sin. Since then a man cannot be absolved from one sin without being absolved from all, neither can this happen as regards excommunication.
Obj. 2: Further, Absolution from excommunication is pronounced in the Church. But a man who is under the ban of one excommunication is outside the Church. Therefore so long as one remains, a man cannot be loosed from another, in. 4 20
On the contrary, Excommunication is a punishment. Now a man can be loosed from one punishment, while another remains. Therefore a;m[an can be loosed from one excommunication and yet remain under another.
I answer that, Excommunications are not connected together in any way, and so it is possible for a man to be absolved from one, and yet remain under another.
It must be observed however that sometimes a man lies under several excommunications pronounced by one judge; and then, when he is absolved from one, he is understood to be absolved from all, unless the contrary be expressed, or unless he ask to be absolved from excommunication on one count only, whereas he was excommunicated under several. On the other hand sometimes a man lies under several sentences of excommunication pronounced by several judges; and then, when absolved from one excommunication, he is not therefore absolved from the others, unless at his prayer they all confirm his absolution, or unless they all depute one to absolve him.
Reply Obj. 1: All sins are connected together in aversion from God, which is incompatible with the forgiveness of sin: wherefore one sin cannot be forgiven without another. But excommunications have no such connection. Nor again is absolution from excommunication hindered by contrariety of the will, as stated above (A. 2). Hence the argument does not prove.
Reply Obj. 2: Just as such a man was for several reasons outside the Church, so is it possible for his separation to be removed on one count and to remain on another.
Also online, linked only: the same translation at New Advent and the Latin text at Corpus Thomisticum. Neither is copied here.