Moral Argument for God’s non-existence (Reverse moral argument)

 

1. If God exists, God is the grounding of objective morality
–the theist grants this. If God exists, God’s nature provides the basis for objective morality. Without that nature, the theist maintains in his moral argument that there is no grounding for objective morality, which brings us to our next premise

2. [Assumption] If God is not the grounding of objective morality, then objective morality does not exist
–theist maintains this as a premise for their argument

3. God is not the grounding of morality-Euthyphro dilemma

4. Therefore, if God exists, then objective morality does not exist (1, 2)

5. Therefore, objective morality does not exist (from 2, 3)

6. Objective morality does exist-theist grants this

7. Therefore God does not exist (1, 4)

8. Therefore, objective morality exists and does not exist (5, 6) (logical contradiction)

The theist who endorses the moral argument is now forced to deal with premise 3

 

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