Published on August 22, 2025 1:03 PM GMT Introduction Credal sets, a special case of infradistributions[1] in infra-Bayesianism and classical objects in imprecise probability theory, provide a means of describing uncertainty without assigning exact probabilities to events as in Bayesianism. This is significant because as argued in the introduction to this sequence, Bayesianism is inadequate as a framework for AI alignment research. We will focus on credal sets rather than general infradistri...