Plato, the first systematic philosopher, raised it against divine command theories of morality in the fifth century BCE. He asked divine-command moralists: are actions right because God commands them, or does God command them because they are right? If the latter is true, then actions are right independent of whether God commands them, and God is not needed to underwrite the authority of morality. But if the former is true, then God could make any action right simply by willing it or by ordering others to do it. This establishes that, if the authority of morality depends on God’s will, then,
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