Abstract

Some moral philosophers, Such as ross and moore, Think that, Whereas we can be sure of limited judgments concerning "prima facie" duties and intrinsic values, We cannot be sure of judgments of rightness or wrongness. Two arguments for this type of scepticism are examined. The first works only if we assume, With ross, That '"prima facie" duty' is a moral notion, Not an epistemic notion. The second works only if we assume that there is no difference between uncertainty about a moral judgment and uncertainty about the evidence that bears on the judgment. Since neither assumption is sound, Neither argument works