num_pages: 208
description: 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.
language: English
title: On Certainty
titlecomplete: On Certainty
genres: 20th Century, Essays, Language, Philosophy, Science, Psychology, German Literature, Classics, Theory, Nonfiction
ratings_count: 4617
publisher: Wiley-Blackwell