 The most famous post-war critique of international law’s legal character is Chapter X of H.L.A. Hart’s The Concept of Law. Hart was not an outright sceptic about the legal character of international law, saying we should “neither dismiss the doubt we may feel… nor shall we simply confirm them” (Hart 1961 [2012: 214]). However, he did think international law was impaired in its law-like character by the fact that