&quote;Active and Passive Potency&quote; in Thomistic Angelology

A. "SEPARATE SUBSTANCES" AND lOR" ANGELS"? It is interesting to note that, in an expressly theological treatise such as the Summa theologiae, St. Thomas generally uses the term "angel", in preference to "separate substance"; while in works with a less explicit theological intent - e. g. the Summa contra gentiles and the De substantiis separatis 1 - he generally prefers the term "separate substance...