{ "item_title" : "The Two Fundamental Problems of the Theory of Knowledge", "item_author" : [" Karl Popper", "Troels Eggers Hansen", "Andreas Pickel "], "item_description" : "Karl Popper described Die Beiden Grundrpobleme der Erkenntnistheorie - The Two Fundamental Problems of Knowledge - as above all about... the crisis of physics. It asserts the permanence of crisis; if it is right, then crisis is the normal state of a highly developed rational science. Finally available in English for the first time, it is a major contribution to Twentieth century philosophy.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/0/41/539/431/0415394317_b.jpg", "price_data" : { "retail_price" : "189.99", "online_price" : "189.99", "our_price" : "189.99", "club_price" : "189.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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