{"product_id":"9781605016320","title":"The Metaphysical Elements of Ethics","description":"If there exists on any subject a philosophy (that is, a system of rational knowledge based on concepts), then there must also be for this philosophy a system of pure rational concepts, independent of any condition of intuition, in other words, a metaphysic. It may be asked whether metaphysical elements are required also for every practical philosophy, which is the doctrine of duties, and therefore also for Ethics.","brand":"MobileReference","offers":[{"title":"Default Title","offer_id":46521932153073,"sku":"9781605016320","price":0.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/5433\/7265\/files\/9781605016320_p0.jpg?v=1765997520","url":"https:\/\/shop.barnesandnoble.com\/products\/9781605016320","provider":"Barnes \u0026 Noble","version":"1.0","type":"link"}