On Certainty -

Ludwig Wittgenstein

Perennial/Harper & Row

1972

194 páginas

6h 28m

ISBN-10: 0061316865

Written over the last 18 months of his life & inspired by his interest in G.E. Moore's defense of common sense, this much discussed volume collects Wittgenstein's reflections on knowledge & certainty, on what it is to know a proposition for sure.