ReportScience of Law: The rule of law concept.Rule law ideal concept.The Rule of Law is a historic ideal, and appeals to the Rule of Law remain rhetorically powerful.Yett hep recisem eaning of the Rule of Law is perhaps less clear than ever before.Indeed, many invocations of the Rule of Law are smug or hortatory.It is a mistake to think of particular criteria as necessary in all contexts for the Rule of Law.Part V offers some thoughts about the contours of a full and defensible theory of the Rule of Law.Three such purposes-against which competing definitions or conceptions can be tested-appear central.Third, the Rule of Law should guarantee against at least some types of official arbitrariness.To the extent that these elements exist, the Rule of Law is realized.