Yet in the presentation there is still much to do, and here is where I have attempted to make improvements in this edition, which should remove first, the misunderstanding of the Aesthetic, chiefly the one in the concept of time; second, the obscurity in the Deduction of the Concepts of the Understanding, next the supposed a Principien to second edition lack of sufficient evidence in the proofs of the Principles of Pure Understanding, and finally the misinterpretation of the paralogisms ad vanced against rational psychology.