Larry Solum - that's Lawrence B. Solum, John E. Cribbet Professor at the University of Illinois College of Law, Champaign and Professor of Philosophy, University of Illinois, to you, thank you very much - one of our leading jurisprudentialists and, I'm pleased to say, a dear friend over several decades, publishes, as part of the well-known Legal Theory Blog, a gradually expanding set of basic concepts in legal theory called the Legal Theory Lexicon...