Abstract

In this chapter, I will address the philosophical ambivalence of the concept of Willkür in and after Kant. The aim of my chapter is to defend it against the charge of irrationality and mere chance, and to rehabilitate it from a historical and analytic point of view. I will analyze Kant’s use of the word “Willkür”, and chronologically follow the semantic and systematic changes in his philosophical work. Finally, I address recent attempts to revitalize the concept of Willkür in the analytic debate by referring to the work of Harry Frankfurt and Robert Kane. I shall argue that we need to distinguish between two kinds of libera arbitria. Whereas the liberum arbitrium indifferentiae can be interpreted in terms of the pejorative sense of “Willkür”—as mere chance—the liberum arbitrium voluntatis equals a reflective kind of Willkür—literal Will-kür —which involves freedom of the will.