Arguments for the Existence of God

I. A Priori Argument

The Ontological Argument

P1: God, by definition, is a being with all perfections.

P2: Existence is a perfection.

C: So God exists.

II. A Posteriori Arguments

The Cosmological Argument

P1: Every observed event has a cause, and/or every observed being has an explanation for its existence.

P2: There must be some first cause and/or some necessarily existent being.

C: So God exists.

The Teleological Argument

P1: The world/nature has many different parts that all work/fit together for a purpose.

P2: The best explanation for this is that the world/nature had a designer.

C: So God exists.