The status of the laws of nature in Hobbes’s Leviathan has been a continual point of disagreement among scholars. Many agree that since Hobbes claims that civil philosophy is a science, the answer lies in an understanding of the nature of Hobbesian science more generally. In this paper, I argue that Hobbes’s view of the construction of geometrical figures sheds light upon the status of the laws of nature. In short, I claim that the laws play the same role as (...) the component parts – what Hobbes calls the “cause” – of geometrical figures. To make this argument, I show that in both geometry and civil philosophy, Hobbes proceeds by a method of synthetic demonstration as follows: 1) offering a thought experiment by privation; 2) providing definitions by explication of “simple conceptions” within the thought experiment; and 3) formulating generative definitions by making use of those definitions by explication. In just the same way that Hobbes says that the geometer should “put together” the parts of a square to learn its cause, I argue that the laws of nature are the cause of peace. (shrink)

Hobbes’s interpreters have struggled to find a plausible semantics for evaluative language in his writings. I argue that this search is misguided. Hobbes offers neither an account of the reference of evaluative terms nor a theory of the truth-conditions for evaluative statements. Rather, he sees evaluative language simply as having the non-representational function of prescribing actions and practical attitudes, its superficially representational appearance notwithstanding. I marshal the evidence for this prescriptivist reading of Hobbes on evaluative language and show how it (...) sidesteps various textual and philosophical problems that bedevil the traditional interpretations. (shrink)