  There are five main families of views on this question. One view takes jurisprudence to be a form of conceptual analysis, which is to say that theories of law aim to provide an account of some concept of law. This approach is often associated with Hart’s influential work, The Concept of Law (1994). A second sort of view adopts a more skeptical stance towards the methodology of conceptual analysis and takes theories of law to be in the business of offering a reductive explanation of law itself, not some concept of it. Another recent view sees general jurisprudence as just another branch of metanormative inquiry, which renders it continuous with other philosophical fields like metaethics. Fourth, the prescriptive view takes it that the aim of a theory of law is to specify the notion of law that it would be most desirable for us to adopt. A fifth kind of view, associated with Dworkin’s work, takes it that legal theories are in the business of offering a constructive interpretation of legal practice. In what follows, each of these five views, as well as some of the main issues they face, will be discussed in more depth.