num_pages: 194
description: 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.
language: English
title: On Certainty (Harper Perennial Modern Thought)
titlecomplete: On Certainty (Harper Perennial Modern Thought) (English and German Edition)
genres: Theory, Philosophy, Psychology, Nonfiction, German Literature, Language, Science, Essays, Classics, 20th Century
ratings_count: 4617
publisher: Harper & Row