But they did not consider that both, without their reality as representations being disputed, nev ertheless belong only to appearance, which always has two sides, one where the object a is considered in itself (without regard to the way in which it is to be intuited, the constitution of which however must for that very reason always remain problematic), the other where the form of the intuition of this object is considered, which must not be sought in the object in itself but in the subject to which it appears, but which nevertheless really and necessarily pertains to the representation of this object.