This thesis is a fundamental re-appraisal of the critique of John Austin by H. L. A. Hart. Because Hart never adequately reconstructs the question that Austin was dealing with and because Hart fails to distinguish between description and definition, he fails to see the strength of Austin's theory. In the development of his own view Hart's basic concepts are used with a shifting and variable content and he reintroduces many of the confusions which Austin sought to clear away. Hart's position encourages those who would say that the judge's function is to be amoral, apolitical and to strictly apply the law, even though this is theoretically unsound and historically inexact. I look at cases dealing with matrimonial violence and...