Have we ground for presupposing a common sense?

Cognitions and judgements must, along with the conviction that accompanies them, admit of universal communicability; for otherwise there would be no harmony between them and the Object, and they would be collectively a mere subjective play of the representative powers, exactly as scepticism would have it.

But if cognitions are to admit of communicability, so must also the state of mind, — i.e. the accordance of the cognitive powers with a cognition generally, and that proportion of them which is suitable for a representation (by which an object is given to us) in order that a cognition may be made out of it — admit of universal communicability. For without this as the subjective condition of cognition,