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.

Through the long-term teaching practice it’s proved that the utilization of the co-learning way between the different-level students in the skating training can stimulate the students’ initiative and creativity, strengthen their identity consciousness in learning and balance the relation between teaching and learning.