 But this claim is not a definition, for it is equivalent to the claim that the concept of a discursive cognition is more general than the concept of a spatiotemporal discursive cognition, i.e., that a non-spatial discursive intellect is conceivable. So although the non-spatiality of things in themselves follows almost immediately from very general truths, on Allison’s reconstruction, it is not correct to say that it is a tautology, or that it is true by definition.