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Philosophical theology

Expositio super Boethium De Trinitate

A commentary important for Aquinas's account of theology, philosophy, science, and the relation between faith and reason.

Date

1257-1259

Why it matters

It is one of the key sources for his classification of sciences and his account of sacred doctrine.

How to read it

  1. 1Watch how Aquinas distinguishes kinds of knowledge.
  2. 2Note what belongs to philosophy and what belongs to sacred doctrine.
  3. 3Use it as a methodological companion to the Summa.