  Although both are often called ‘reasons internalism’, there are significant differences between HTR and Counterfactual Motivation versions of internalism. One can accept a Counterfactual Motivation view without accepting HTR (e.g. Korsgaard 1986), and one can accept HTR without accepting any (nontrivial) Counterfactual Motivation view (e.g. Schroeder 2007b). However, these two internalist theses are often linked. Consider the following popular view about motivation, which, following Smith (1987), we call the Humean Theory of Motivation (again despite controversy over whether Hume himself held it):