1. Aqvist, Lennart, “The Protagoras Case: An Exercise in Elementary Logic for Lawyers,” in J. Bjarup and M. Blegvad (eds.), Time, Law, and Society (Stuttgart: F. Steiner, 1995), pp. 73–84.
2. Artosi, A., B. Pieri, and G. Sartor (eds.), Leibniz: Logico-Philosophical Puzzles in the Law (Heidelberg: Springer, 2015) [On the Protagoras Perplex, see pp. 26–31].
3. Aulus Gellius, The Attic Nights, translated by J. C., Rolfe, 3 vols. (Cambridge, MA: Harvard University Press, 1970; Loeb Classical Library Series).
4. Beatson, Jack, et al., Anson’s Law of Contract, 30th ed. (Oxford: Oxford University Press, 2016).
5. Berlioz, Dominique and Frédéric Nef, Leibniz et les puissances du Language (Paris: Vrin, 2005).