The fourth chapter argues we must consider the perceptual givenness of the a priori. A Kantian objection, however, states that perception is already intellectualized and the condition for this intellectualization cannot be found in perception itself.
Part 2 examines this subjective a priori. Chapter 6 argues the subject 'has the capacity for comprehending the a priori proffered to him and, once given, recognized by him' (121-2).
The appeal to (allegedly) a priori knowledge is central to Cassam's accounts of the possibility of perceptual knowledge and of knowledge of other minds.
On Cassam's account, 'a priori knowledge is knowledge that has its source' in a 'non-experiential ...