Even if this principle determines nothing with respect to the particular forms of nature, since the purposiveness of the latter can only be given empirically, a judgement concerning such forms nonetheless acquires a claim to necessity and universal validity, as a merely reﬂective judgement, through the relation between the subjective purposiveness of the given representation for the power of judgement and the a priori principle of the power of judgement of nature's purposiveness in its empirical conformity to law in general.