Raz’s appeal to law’s authority

Joseph Raz’s Argument from Authority is one of the most famous defences of exclusive positivism in jurisprudence, the position that the existence and content of the law in a society is a wholly social fact, which can be established without the need to engage in moral analysis. According to Raz’s argument, legal systems are de facto practical authorities that, like all de facto authorities, must claim legitimate authority, which itself entails that they must be capable of being an authority. Further, once we properly understand what constitutes practical authority, as captured by Raz’s service conception, we realise that the directives of any authority (including the law) must be wholly identifiable without recourse to moral analysis. While the argument has previously been criticised on the grounds that the law does not claim legitimate authority, and further that the service conception of authority itself is inadequate, we argue here that the argument is actually in a worse position th...