To represent the identity of the subject of different self-attributions, one must generate or recognize the right sort of unity among those representations.

In Kant’s view, the candidates for explaining how this kind of unity comes to be, or, less ambitiously, for explaining my ability to recognize this sort of unity, are association and synthesis. At this point he appears to suppose that because Hume’s psychological theory has already been ruled out, synthesis is the only remaining option. So for me to represent the identity of the subject of different self-attributions, I must generate or at least recognize the right sort of unity among these repr