Task: Text Categorization
Input (English): This work defines "aeviternity" as the mean between time and eternity, since aeviternal things have beginning and no end. It also claims that heavenly bodies are moved by immaterial beings called "separate substances." This work separates concupiscible passions from irascible ones, sets out natural law as the mentally-innate part of eternal law, and puts forward three conditions for (*) just war. This document written in objection-contrary-response format cites many authorities, referring to Aristotle only as "The Philosopher." Its quinquae viae, or Five Ways, prove God's existence. For 10 points, name this tome defending all of Christian doctrine, the masterwork of Saint Thomas Aquinas.
Output (English): Social Science