On Certainty
Ludwig Wittgenstein
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John Wiley and Sons Ltd
15 September 1975
ISBN: 9780631169406
Paperback
114 pages
From the publisher
Written over the last 18 months of his life and inspired by his interest in G. E. Moore's defence of common sense, this much discussed volume collects Wittgenstein's reflections on knowledge and certainty, on what it is to know a proposition for sure.