Kant argues as follows. Our experiences have objects, that is, they are about something. The objects of our experiences are discrete, unified particulars. To have such particulars available to it, the mind must construct them based on sensible input. To construct them, the mind must do three kinds of synthesis. It must generate temporal and spatial structure (Synthesis of Apprehension in Intuition). It must associate spatio-temporally structured items with other spatio-temporally structured item