Brief Moral Ontological Argument

This is a short syllogism that I wrote. If counterfactuals can be true, then it seems we have an interesting argument for the existence of at least a minimalist form of moral realism.

  • (P1) If a moral claim is true, it is good to behave in accordance with that claim.
  • (P2) Premise 1 is a moral claim
  • (C1) At least 1 moral claim (Premise 1) is true
  • (C2) Moral realism is true

This whole argument hinges on (P1). Can subjunctive or counterfactual claims be true?

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