“Recorded thinking about the source, nature, end and efficiency of law, substantive and adjective, and of legal institutions”. [Reusclein]

The lawyer’s examination of the precepts, ideals, and techniques of the law in the light derived from present knowledge in disciplines other than the law”. [Stone]

In jurisprudence we are not concerned to derive rules from authority and apply them to problems; we are concerned rather to reflect on the nature of legal rules, on the underlying meaning of legal concepts and on the essential features of legal system. [Salmond on Jurisprudence, 12^th Ed. P. 1]