No. “There is an objective morality” means that moral claims have truth values that don’t depend on the mental content of the person making them, That is epistemic, and has nothing to .do with what, if anything, grounds them ontological. (I haven’t answered the question empirically, because I don’t think that’s useful)
Ethical objectivism can be grounded out in realism, either physical or metaphysical, but doesn’t have to be. Examples of objectivism without realism include utilitarianism, which only requires existing preferences, not some additional laws or properties. Other examples include ethics based on contracts, game theory, etc. These are somewhat analogous to things like economics, in that there are better and worse answers to problems, but they don’t get their truth values from straightforward correspondence to some territory,
No. “There is an objective morality” means that moral claims have truth values that don’t depend on the mental content of the person making them, That is epistemic, and has nothing to .do with what, if anything, grounds them ontological. (I haven’t answered the question empirically, because I don’t think that’s useful)
Ethical objectivism can be grounded out in realism, either physical or metaphysical, but doesn’t have to be. Examples of objectivism without realism include utilitarianism, which only requires existing preferences, not some additional laws or properties. Other examples include ethics based on contracts, game theory, etc. These are somewhat analogous to things like economics, in that there are better and worse answers to problems, but they don’t get their truth values from straightforward correspondence to some territory,