On the Philosophical Root of Mao Zedong's Political Actions in His Late Years ——On the necessity to balance ontology and the theory of knowledge in philosophy studies

Mao Zedong has done thorough researches on the philosophical theory of knowledge,but not on the historical materialist ontology of social contradictions,class struggles,people's democratic dictatorship,contradiction among the people,and mass line.His political actions in his late years obviously have much to do with his partialities in the historical materialism.