{"product_id":"2940151466066","title":"A Discourse on the Methods...","description":"\"Cogito Ergo Sum. \u003cbr\u003eI Think, Therefore I Am...\"\u003cbr\u003e--René Descartes\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDescartes' Discourse marks a breakpoint in European thought: in it, he sets out a radical new philosophy, which begins with a proof of the existence of the self (the famous \"cogito ergo sum\"). \u003cbr\u003e\u003cbr\u003eNext he deduces from it the existence and nature of God, and ends by offering a radical new account of the physical world and of human and animal nature. \u003cbr\u003e\u003cbr\u003eWritten in language accessible to all, it swept away all previous philosophical traditions. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003eRené Descartes (1596–1650) was a French philosopher, mathematician and writer. Called the father of modern philosophy, much subsequent Western philosophy is a response to his writings, which are studied closely to this day. \u003cbr\u003e\u003cbr\u003eDescartes' influence in mathematics is equally apparent: the Cartesian coordinate system, allowing reference to a point in space as a set of numbers, and allowing algebraic equations to be expressed as geometric shapes in a two-dimensional coordinate system (and conversely, shapes to be described as equations), was named after him. \u003cbr\u003e\u003cbr\u003eHe is likewise credited as the father of analytical geometry: the bridge between algebra and geometry, crucial to the discovery of infinitesimal calculus and analysis.","brand":"Kizra Books","offers":[{"title":"Default Title","offer_id":47158584508656,"sku":"2940151466066","price":3.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940151466066_p0.jpg?v=1764011134","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940151466066","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}