Philosophy of Religion blog

Modality has to do with what is possible and impossible. Modal arguments utilize modal logic to draw inferences to various conclusions, based on what is possible and impossible. Today I was thinking of modal arguments for God’s existence, and I decided to turn William Lane Craig’s moral argument into a modal argument; let’s call it a modal moral argument.

My intention here is not to argue that the modal moral argument is a sound argument. I myself am not convinced of the argument, which I’ll explain why further down.

The Argument

The modal moral argument for God’s existence runs as follows:

1. Necessarily, if there does not exist a personal morally perfect being, then God does not exist

2. Necessarily, if God does not exist, then it is not possible for objective moral duties and values to exist

3. Therefore, necessarily, if there is does not exist a personal morally perfect…

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