“…For even if there are no diachronic norms governing what you ought to believe, there might be diachronic norms governing, say, the temporally extended process of reasoning, or evidence-gathering, or doxastic (as opposed to propositional) justification. Hlobil (2015) and Podgorski (forthcoming) argue that there may be diachronic requirements of rationality such as requirements governing the temporally extended process of reasoning, even if there are no diachronic norms governing what you ought to believe at a particular time. And even if there are no diachronic norms governing belief, there might be diachronic norms governing preferences, intentions, or actions, for instance.…”