And yet intellects like Augustine of Hippo and Thomas Aquinas did not: what do you 'know' that they did not, or vice versa?
Also, are you aware of the encyclical Fides et ratio ("Faith and Reason")?
* https://en.wikipedia.org/wiki/Fides_et_ratio
> Faith and reason are like two wings on which the human spirit rises to the contemplation of truth; and God has placed in the human heart a desire to know the truth—in a word, to know himself—so that, by knowing and loving God, men and women may also come to the fullness of truth about themselves (cf. Ex 33:18; Ps 27:8-9; 63:2-3; Jn 14:8; 1 Jn 3:2).
* https://www.vatican.va/content/john-paul-ii/en/encyclicals/d...
Further, in your "formal philosophy" studies, how much of logic and proofs did you study?
* https://www.goodreads.com/book/show/35592365-five-proofs-of-...