 One way of understanding Hobbes’ claim that civil philosophy is demonstrable connects it to Euclidean geometry. This view has been called the “definitivist” or “definitional” view because of its emphasis on the importance of definitions in Hobbes’ philosophy. One articulation of the definitivist view understands Hobbes’ definition of ‘law of nature’ in Leviathan as playing a role similar to an axiom in Euclidean geometry (Deigh 1996). In Leviathan XIV, a law of nature is defined as 