It takes the average reader 3 hours and 20 minutes to read On Certainty by Ludwig Wittgenstein
Assuming a reading speed of 250 words per minute. Learn more
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.
On Certainty by Ludwig Wittgenstein is 196 pages long, and a total of 50,176 words.
This makes it 66% the length of the average book. It also has 61% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 4 hours and 34 minutes to read On Certainty aloud.
On Certainty is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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