 Against views of this kind, Cook Wilson developed three arguments in his letter. First, he pointed out that it is impossible to know anything about the relation between the representative and the object, since one can never truly compare the former to the latter. Secondly, he claimed that representationalist theories are always in danger of leading towards idealism, since one must then somehow ‘prove’ the existence of the object which is, so to speak, ‘behind’ its representatives—there might be none. Thirdly, he claimed that all such theories beg the question, since the representative has to be apprehended in turn by the mind, and not only this further ‘apprehension’ remains unexplained, it would require that the mind be equipped with the very apparatus that the representationalist theories were, to begin with, devised to explain: