Although moral opinions are not genuinely true or false (being optative expressions of desire rather than genuine propositions), it can be true or false that X is good-according-to-a-given-person.

However, Russell believed that judgments about what is right or what ought to be done can be given an analysis which gives them a sort of ersatz objectivity and hence the possibility of truth. If Dmitri has a reasonably determinate conception of the good, that is, a coherent set of opinions about which things are good and which bad, then although Dmitri’s opinions themselves are neither true nor false—since, despite appearances they are not really opinions at all but optative expressions of Dmit