Based on "the similar contains logic" while "the opposite contains logos" and its logic negative,from philosophy target theory "positive and negative","exist and Non-exist" to evaluate their relations of heterogeneous combination to get the contradictory result concerning two logic relations.

There are four duets of great categories on the essential contradictions in the theory of philosophical object, including Existor or Nonexistor(the extrinsic contradiction of the Existor), Positive and Negative(the intrinsic contradiction of the Existor), Existence or Nonexistence(the extrinsic contradiction of Being), Real-existence and Ought-existence(the intrinsic contradiction of existence).

The argument about who are the creators of history in recent two decades in our country s academic circles has focused on the two issues whether history is created by the masses or people,and how Marxist classics have treated the issue who create history.