 Where Boër and Lycan view knowing-wh as context-relative, Schaffer (2007) views it as question-relative. The problem, according to Schaffer, is that if knowledge-wh is reduced to knowledge-that and is not question-relative, then cases of knowledge-wh that should be distinguished will not be distinguished. Schaffer calls this the Problem of Convergent Knowledge. For example, suppose that (47) is true: