Arguments for The Existence of God Ontological Cosmological Telelogical Ontological Cosmological Telelogical.

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The ontological argument is based entirely upon logic and reason and doesn’t really try to give a posteriori evidence to back it up. Anselm would claim.

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Presentation transcript:

Arguments for The Existence of God Ontological Cosmological Telelogical Ontological Cosmological Telelogical

God’s Existence  Not subjective  Not unprovable in principle  Natural Theology: Knowing God through reason  Biblical Theology: Knowing God through revelation  Not subjective  Not unprovable in principle  Natural Theology: Knowing God through reason  Biblical Theology: Knowing God through revelation

The Ontological Argument  A priori (vs. a posteriori)  God exists by definition  If you think about the concept of God hard enough, you’ll see that he must exist  A priori (vs. a posteriori)  God exists by definition  If you think about the concept of God hard enough, you’ll see that he must exist

Descartes’ Version  God is a perfect being  A perfect being must contain all perfections  Existence is a perfection.  God exists.  God is a perfect being  A perfect being must contain all perfections  Existence is a perfection.  God exists.

Anselm’s Version  Reductio ad absurdum  Indirect proof - show that atheism leads to a contradiction, so theism must be true  Reductio ad absurdum  Indirect proof - show that atheism leads to a contradiction, so theism must be true

Anselm’s Version  Assume God doesn’t exist  God exists only in the mind  The Greatest Conceivable Being (GCB) exists only in the mind  Therefore, there is a greater being, which exists not only in the mind but in reality as well  Assume God doesn’t exist  God exists only in the mind  The Greatest Conceivable Being (GCB) exists only in the mind  Therefore, there is a greater being, which exists not only in the mind but in reality as well

Anselm’s Version  The GCB exists ONLY in the mind  The GCB isn’t the GCB  A is not A <-- Contradiction  Atheism leads to a contradiction  Atheism is false  If it’s not true that God doesn’t exist  God exists  The GCB exists ONLY in the mind  The GCB isn’t the GCB  A is not A <-- Contradiction  Atheism leads to a contradiction  Atheism is false  If it’s not true that God doesn’t exist  God exists