According to (E′) if the evidence is adequate, then the question is settled. If there’s a preponderance of support for p, then one is required to believe p. Where the evidence speaks, one must listen and obey. (E′) differs from (E) in part since it says nothing about those occasions in which the evidence is silent, or is inadequate. If one assigns p a probability of one-half, then there’s not a preponderance of evidence in support of p. (E′) says nothing about believing p in that case. Principle