 What about the modality of ethical supervenience? One might think of this question as seeking to clarify what sort of non-contingency the Sidgwickian commitment requires. If we distinguish logical from conceptual necessity, it is easy to see that the logical supervenience of the ethical is a non-starter. The truth of ‘pain is bad’, e.g., is not secured simply by the logical vocabulary and the syntax of the sentence, in the way that the truth of ‘all bachelors are bachelors’ seemingly is.