 In §20 Kant, draws a conclusion from the considerations he has so far advanced: “Consequently, the manifold in a given intuition is necessarily subject to the categories” (B143). One might think that this is precisely what Kant intended to establish in the Transcendental Deduction, and thus that the argument is brought to an end in §20. However, in §21 he indicates that the Transcendental Deduction is not yet complete: “Thus in the above proposition a beginning is made of a deduction of the pure concepts of understanding” (B144). Kant goes on to explain: