 For Averroes, Alfarabi's attempts to make sense of the difficulties in Aristotle's texts were too weak to anticipate and answer Avicenna's criticisms. In one such area, the modal logic, Averroes was to return to the problems four times through his career (see Elamrani-Jamal 1995), and near the end of his life, having assessed the problems in his colleagues' interpretations, he wrote: 