Abstract
Vico's historicist claims (1) that different ages are intelligible only in their own terms and (2) that the certainty and authority of history depend on its narrative formulation seem at odds with his doctrines of ideal eternal history and divine providence. He resolves these issues, however, in his treatment of ideal eternal history by using the distinction between the certain and the true to show how rhetorical expression generates meaning in and as history. Specifically, by appealing to an ontology that informs the propositional logic of the early Stoics and the ideas of Peter Ramus and his followers, Vico treats historical events as legal pronouncements and grammatical reformations of syntax. In this way he displaces the predicate logic of ancient and modern thinkers who treat rhetoric as a mere embellishment of argumentation.