[Revised entry by Michael Ridge on June 14, 2025.
Changes to: Main text, Bibliography]
There may be as much philosophical controversy about how to distinguish naturalism from non-naturalism as there is about which view is correct. In spite of this widespread disagreement about the content of naturalism and non-naturalism there is considerable agreement about the status of certain historically influential philosophical accounts as non-naturalist. In particular, there is widespread agreement that G.E. Moore’s account of goodness in Principia Ethica is a paradigmatically non-naturalist…

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