 Aristotle, General Topics: ethics |  cognitivism vs. non-cognitivism, moral |  -->constructivism: in political philosophy--> |  functionalism |  Hume, David: moral philosophy |  Moore, George Edward |  moral epistemology |  moral motivation |  moral non-naturalism |  moral realism |  moral relativism |  moral skepticism |  naturalism |  naturalism: in legal philosophy |  supervenience 