On Certainty

Front Cover
HarperCollins, 1969 - Philosophy - 180 pages
22 Reviews

Written over the last 18 months of his life and inspired by his interest in G. E. Moore's defense 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.

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Review: On Certainty

User Review  - Cay Hasselmann - Goodreads

This is one of my all time favorite books as it touches the area of certainty from a pure entomological aspect, not trying to bring any belief or disbelief in the picture. This is not something I have seen often. Read full review

Review: On Certainty

User Review  - David F. - Goodreads

Wittgenstein's On Certainty was written as a response to GE Moore's 1939 paper, “Proof of an External World.” In this paper, Moore applies what is known as the Moorean shift from modus ponens (if A ... Read full review

About the author (1969)

Ludwig Wittgenstein (1889-1951) was born in Austria and studied at Cambridge under Bertrand Russell. He volunteered to serve in the Austrian army at the outbreak of World War I, and in 1918 was captured and sent to a prison camp in Italy, where he finished his masterpiece, Tractatus Logico-Philosophicus, one of the most important philosophical works of all time. After the war Wittgenstein eventually returned to Cambridge to teach.