{"product_id":"on-certainty-set-books-open-university-9780631169406","title":"On Certainty (Set Books \/ Open University)","description":"\u003cp\u003eWritten over the last 18 months of his life and inspired by his interest in G. E. Moores defence of common sense  this much discussed volume collects Wittgensteins reflections on knowledge and certainty  on what it is to know a proposition for sure.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45665931329589,"sku":"ByrdShop_0631169407","price":40.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8139\/0901\/files\/9780631169406.jpg?v=1782414630","url":"https:\/\/atxbooks.com\/products\/on-certainty-set-books-open-university-9780631169406","provider":"ATX Books","version":"1.0","type":"link"}