Aquinas: the five ways. Early in the first parts of Summa Theologica Aquinas takes up questions about whether and how we might know that there is a God.
proofs of God's existence offered by St. Thomas Aquinas. Thomas offered 5 proofs for God's existence; of the two which we will not be discussing, one is the topic.
Aquinas: the five ways. Below is the section from Summa Theologica that is traditionally called The Five Ways, Aquinas ' investigation into the question of God's.