although they can never furnish a cognition of the object and are called rational Ideas. In the latter case the concept is a transcendent one, which is different from a concept of the Understanding, to which an adequately corresponding experience can always be supplied, and which therefore is called immanent.

An aesthetical Idea cannot become a cognition, because it is an intuition (of the Imagination) for which an adequate concept can never be found. A rational Idea can never become a cognition, because it involves a concept (of the supersensible), corresponding to which an intuition can never be given.

Now I believe we might call the aesthetical Idea an inexponible representation of the Imagination, and a rational Idea an