Contemporary Non-Positivism

This Element defends and clarifies the thesis that the legality of a system of rules depends on its moral features. Positivists who deny this dependence struggle to explain: (1) the traditional classification of moral norms as a form of a priori law; (2) judicial reliance on moral norms in legal discovery; (3) persistent theoretical disagreement about intra-systemic, law-determining facts; (4) why radically arbitrary or immoral schemes of social organization represent borderline cases of la...