He said that, for example, “early customary law” and “municipal law” were contexts where the word “law” had two different and irreconcilable meanings. Thurman Arnold said that it is obvious that it is impossible to define the word “law” and that it is also equally obvious that the struggle to define that word should not ever be abandoned. It is possible to take the view that there is no need to define the word “law” (e.g. “let’s forget about generalities and get down to cases”).
Another example is in the 19th-century English case of R v Dudley and Stephens, which tested a defence of “necessity”. Three crew members and Richard Parker, a 17-year-old cabin boy, were stranded on a raft. They argued it was necessary to kill the cabin boy to preserve their own lives.
In all three traditions, a canon was originally a rule adopted by a church council; …