He merely corrects slackness or lack of doing justice (Si archiepiscopus defecerit in justitia exhibenda) and by his writ (precepto) directs the controversy to be determined in the metropolitan's court.
If we were to say that on his view the essential step must be the establishment of identities or equivalences, we should probably be doing justice to his doctrine of numerical reasoning, but should have some difficulty in showing the application of the method to geometrical reasoning.
Such a crude conception is far, indeed, from doing justice to Kant's view, but it undoubtedly represents the underlying assumption of many of his cardinal doctrines.