Fischer and Ravizza settle on moderate reasons responsiveness as the sort that is most germane to guidance control (1998: 69–85). A psychological mechanism that is moderately responsive to reasons exhibits regularity with respect to its receptivity to reasons: that is, it exhibits “an understandable pattern of (actual and hypothetical) reasons-receptivity” (Fischer & Ravizza 1998: 71; emphasis in original). Such a pattern will indicate that an agent understands “how reasons fit together” and that, for example, “acceptance of one reason as sufficient implies that a stronger reason must also...