Ludwig Wittgenstein : life and work an introduction -- Wittgenstein´s critique of philosophy -- Pictures, logic, and the limits of sense in Wittgenstein´s -- Fitting versus tracking : Wittgenstein on representation -- Philosophy as grammar -- A philosophy of mathematics between two camps -- Necessity and normativity -- Wittgenstein, Mathematics, and ethics: resisting the attractions of realism -- Notes and afterthoughts on the opening of Wittgenstein´s inverstigations -- Mind, meaning, and practice -- Whose house is that? -- Wittgenstein on the self -- The question of linguistic idealism revisited -- Forms of life : mapping the rougth ground