 In this entry, we have considered agents represented as having precise credence functions. But there are, of course, many other models of doxastic states that are considered in current epistemology. As mentioned at the outset, we might represent an agent by the set of propositions that they believe (their full beliefs); or we might represent them using a set of precise credence functions (their imprecise credences); or a comparative confidence ordering; or a precise primitive conditional probability function. And, when modelled in this way, there are principles of rationality that apply to these agents. Are there accuracy arguments in their favour?