Principle of Schematism

Kant’s Principle of Schematism is the requirement on intelligibility. Anything that is understood has as its “structure” “in” understanding something diagrammatic. Everything that is understood will finally be rendered as a picture, a drawing, a spatial object, made in the imagination and so thoroughly transparent to the subject identical over the act that made it. Every part of the figure, even down to the points that constitute its lines, issues from the subject’s deepest nature as act, in such a way that the object-being and the projecting-intentionality are one. We know the posit because in it the subject and object interface by means of a making that proceeds from the subject.

If look at this paragraph, you see why idealism, rationalism, and constructivism “just work”—

, at the interface that is making, subject and object meet.

(which are the simple of

must have its structure “in” understanding rendered spatially.