一般注記Reflections from wolf and wood : incommensurability, guidance and the 'smoothing over' of ethical life / Simon Kirchin -- Normative naturalism and normative nihilism : Parfit's dilemma for naturalism / David Copp -- On what it is to matter / Julia Markovits -- The buck-passing account of value : assessing the negative thesis / Philip Stratton-Lake -- Normativity, reasons and wrongness : how to be a two-tier theorist / David McNaughton and Piers Rawling -- Wrong-making reasons / Kieran Setiya -- Parfit on reasons and rule consequentialism / Douglas W. Portmore -- Advice for non-analytical naturalists / J.L. Dowell and David Sobel -- Contingency and constructivism / Julia Driver -- Responses / Derek Parfit.