An epistemic peer is someone who has similar levels of knowledge, expertise, and cognitive abilities regarding a specific topic. This means that both individuals are equally capable of understanding and evaluating evidence, arguments, and information related to that subject. The concept is important in discussions about knowledge and belief, particularly in the context of disagreement. When two epistemic peers disagree on a belief, it raises questions about the justification of their beliefs. Each person may have valid reasons for their stance, which can lead to a reassessment of one's own views. This dynamic is often explored in fields like philosophy and cognitive science, where understanding how we form beliefs is crucial.