On Certainty

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.

Shipping Details

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Damaged, defective or incorrect items

Sometimes items are damaged during delivery, or have manufacturing defects. If this is the case or you have received an incorrect item, get in touch with us as soon as possible and we will do our best to fix as soon as we know. Visit our contact page to send a query.

Change of mind returns

Change of mind returns are accepted within 30 days of delivery for most items in resellable and unopened condition. Most items are eligible for free returns however each item in your order may have a different return policy. Some items cannot be returned due to change of mind.

To check the return policy for your item look on each item page for the returns section. Please note that the few items that are not eligible for free returns may incur a re-stocking fee in addition to having to pay for shipping to return the item.