Abstract
Marx's theory of alienation has some elements of an epistemology, but it is primarily a methodology. This is because alienation and the supersession of alienation are nothing but negation and a negation of the negation, a kind of historical dialectics. In using this methodology to analyze the contradictions between human existence and essence, Marx thoroughly exposed and criticized the callousness of relationships among humanity in capitalist society. On this basis, he considered socialist revolution and socialist production to be the means for eliminating human alienation and for realizing human freedom, and thereby set forth an epistemology