Sraffa's Notes on Wittgenstein's "Blue Book"


  • Nuno Venturinha New University of Lisbon


20th century philosophy, Wittgenstein Ludwig, Sraffa Piero, Blue Book, Philosophical Investigations, solipsism


This article presents an edition of unpublished notes by Sraffa on Wittgenstein’s “Blue Book”, written about 1941 and housed at Trinity College Library, Cambridge. The article includes an introduction to the relationship between Sraffa and Wittgenstein and concludes with an interpretation of various philosophical issues addressed in the notes, namely that of solipsism. Various connections between the “Blue Book” and the Philosophical Investigations are traced.

Author Biography

Nuno Venturinha, New University of Lisbon

Research Fellow in Philosophy



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