 While Difference and Repetition ranges over a wide field of philosophical topics, Logic of Sense focuses on two aspects of a single issue, the structure and genesis of sense. The genius of Frege and Russell was to have discovered that the condition of truth (denotation) lies in the domain of sense. In order for a proposition to be true (or false) it must have a sense; a nonsensical proposition can be neither true nor false. Yet they betrayed this insight, Deleuze argues, because they—like Kant before them—remained content with establishing the condition of truth rather than its genesis. In Logic of Sense, Deleuze attacks this problem, first developing the paradoxes that result from the structure of sense and then sketching a theory of its genesis. He does this using resources from analytic philosophy and the Stoics in the course of a reading of Lewis Carroll—a typically innovative, if not quirky, set of Deleuzean references.