1. See HLA Hart,The Concept of Law(Oxford University Press, 2nd edn 1994) 55–58 for his seminal discussion of social rules.
2. See also Institutions, 18.
3. Though at first blush this seems a plausible thing for the Hartian to say, her basis for saying this is not clear. Without the notion of an underlying idea, it is hard to see how the facts of this case fall outside the first-come first-served norm.
4. See Hart (n 3) 94–99 for a discussion of primary and secondary rules.