Me: Ah, so the Summa Theologia IS considered infallible! (Assuming that if the Magisterium and Pope are, then their trusted sources must be through them!) Catholic: No, it isn't infallible by ...
I've been answering a few questions on this site raised about the intercessory power of the Blessed Virgin Mary and this question popped into my mind. St. Thomas Aquinas can posit a rational proof ...
In the Summa Theologica, Question 108(5), St Thomas Aquinas writes: Therefore, if anything is to be called by a name designating its property, it ought not to be named from what it participates ...
I've heard that there were two points of Catholic doctrine in Aquinas' Summa Theologica that were later successfully defended to the contrary. One, I think is the Immaculate Conception of Mary ...