Being and Time previous philosophies that had become entrenched and hidden within the theoretical attitude of the metaphysics of presence. This use of the word "Destruktion" is meant to signify not a negative operation but rather a positive transformation or recovery. In "Being and Time" Heidegger briefly undertakes a destructuring of the philosophy of René Descartes, but the second volume, which was intended to be a "Destruktion" of Western philosophy in all its stages, was never written. In later works Heidegger uses this approach to interpret the philosophies of Aristotle, Kant, Hegel, and Plato, among others. "Being and Time" is the major achievement
Christian Wolff (philosopher) This includes a volume that unites the three most important older biographies of Wolff. An excellent modern edition of the famous Halle speech on Chinese philosophy is: Christian Wolff (philosopher) Christian Wolff (less correctly Wolf, ; also known as Wolfius; ennobled as Christian Freiherr von Wolff; 24 January 1679 – 9 April 1754) was a German philosopher. Wolff was the most eminent German philosopher between Leibniz and Kant. His main achievement was a complete "oeuvre" on almost every scholarly subject of his time, displayed and unfolded according to his demonstrative-deductive, mathematical method, which perhaps represents the peak of Enlightenment rationality