In the year 1800 saw the light in Königsberg the 'Manual of lessons of logic' of Kant known as 'Logic Jäsche'. Despite the dubious quality of the text, the result of the complex and sometimes arbitrary composition, it spread from the outset as an authentic work of Kant and as such was welcomed in the edition of his complete works. Exponent of the evolution towards a notion of logic proper Kantian, that breaks with the gnoseológica orientation of the logic of the rationalism and that we find crystallized in important passages of the 'Critique of the pure reason', the Manual also offers the detailed treatment of Classical themes of enlightened logic, with anthropological, psychological and aesthetic orientation, and marked by a primordial didactic objective: the formation of rationality in a broad sense. Like the other examples of preserved lessons, the 'Manual of Logic' brings us close...read more