Argument by Proof

God exists

from Thomas Aquinas, Summa Theologica, paraphrased by Alvin Plantinga in "God, Freedom, and Evil" (p. 78)

by    @alexandershortt · 02/21/24


1
There are at present contingent beings
2
Not all beings are contingent

Premise

3
There is at least one necessary being

From 2

4
Every necessary being either has its necessity caused by another or has its necessity itself

Premise

5
There cannot be an infinite series of necessary beings each having its necessity caused by another

Premise

6
There is a necessary being having of itself its own necessity

From 3, 4, and 5

7
God is known as a necessary being having of itself its own necessity

Premise

8
God exists

From 6 & 7