Does the fact of logical truth point to God?

I recently bumped into the transcendental argument for God’s existence. The idea is that logical truth is true whether or not human minds exist. These truths are non-physical, so they transcend the physical world. Since logical truth is a conception in the mind, and since logical truth transcends the universe, there must be a transcendent mind.

Do you think this is a good argument for the existence of God? And what would be a proper way to articulate to someone deductively that logical absolutes necessarily points to the existence of God?
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Arguments like you have referenced certainly are sound arguments. If there are logical truths, then these truths should find some grounding, just like moral truths.

The challenge is in running such arguments with a critic. It seems like the view may be prone to unsympathetic parodies. The critic might come back with, “Wait…so if God doesn’t exist, then 2 + 2 = 5?” The rhetorical power will go to the criticism here even though the challenge doesn’t really connect with the argument.

I would recommend taking an abductive approach with such arguments. Rather than form a deductive argument, you can point out that theism provides a better explanation of reality because it can explain logical truth in a way that atheism can’t. It seems atheism has to take logical truth (such as the law of identity that you mention in your e-mail) as brute facts without explaining why they are true. Theism has greater explanatory power because it affords the explanation that logical truths are grounded in God’s mind.