The Sage · Quest for Moral Realism
The Metaethical Map
The Prompt
Construct a clear, structured guide to the major positions in the moral realism debate: Moore's non-naturalism, Mackie's error theory, Cornell realism (Sturgeon, Boyd), constructivism (Rawls, Korsgaard), expressivism (Gibbard, Blackburn), and Parfit's convergence thesis. For each position, state its core claim, its strongest argument, and the objection it has most struggled to answer.
Completion Criteria
A structured guide covering at least five metaethical positions, each with its core claim, strongest argument, and most challenging objection, with accurate attributions and dates.
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