This is the third post in my series on argument mapping with Rationale. The previous posts are Argument Mapping with Rationale and More on Argument Mapping with Rationale.

To further practice argument mapping, I decided to map Thomas Aquinas’ Five Ways. These purport to be logical proofs for the existence of God. Thomas Aquinas was a theologian in the 13th century CE. Apparently, Aquinas’ writings still influence the teaching of the Catholic Church today.

Aquinas argued that the existence of God could be proved in five ways:

1. the unmoved mover
2. the first cause
3. the argument from contingency
4. the argument from degree
5. the argument from design

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