three logic essences of the “fundamental issue of philosophy”

fundamental issue of philosophyis a major problem in the paper ofLudwig Feuerbach and the ending of German classical philosophyproposed by Engels. The problem is the core problem in the study of philosophy shoud not be around. Long term study of the basic problem of philosophy,the academic circles has formed many arguments and ideas. But on the development of logic in the history of western philosophy,the basic problem of philosophy mainly consists of three logical connotation: 1,why does reflective thinking way be possible; 2. why does the possibility of metaphysics be possible; 3. the possibility of the unity of thinking and existence. The three aspects together constitute the essence of the basic question of philosophy.