 Bacon’s relative originality consists in the fact that he brings together the semantic and semiotic concerns of both Arts and Theology or, as one might say, Aristotle and Augustine, into a creative synthesis. From Augustine, he carries over significant elements of Stoic Logic. From these concerns, he develops his own novel theory of the sign. In the Communia naturalium, Bacon notes that he had to develop a new logic needed to deal with his new interests in the sciences. Indeed, Bacon uses the words signification and its cognates in a manner quite different from the traditional position.