Dancy’s charge against psychologism about motivating reasons is that it fails to meet the constraint because, if psychologism is right, we can never act for a good reason. Why? In order to act for a good reason, we need to act for a reason that is or could be a fact. However, according to psychologism, motivating reasons are mental states. If so, the reasons for which we act are mental states, and not facts. If, by contrast, motivating reasons were, say facts and putative facts, then some of the