Introduction to Pragmatism and Psychologism

§1 According to the paradigmatic formula offered by Kant, the philosopher’s task consists of demonstrating “how we ought to think” as opposed to “how we do think” – that is, logical rules or norms must be separated from the functioning principles of the human mind or from psychological laws. As it is well-known, in the “Preface” to the second edition of the Critique of Pure Reason, the German philosopher stands against “some moderns” who “have thought to enlarge” logic “interpolating psycholo..