Summa Theologica

Suppl. IIIae q. 23 : Of Communication With Excommunicated Persons (Three Articles)

[Letter] [A4] Entire question
[Letter] [A4] 1. Whether it is lawful, in matters purely corporal, to communicate with an excommunicated person?
[Letter] [A4] 2. Whether a person incurs excommunication for communicating with one who is excommunicated?
[Letter] [A4] 3. Whether it is always a mortal sin to communicate with an excommunicated person in other cases than those in which it is allowed?