Sometimes, the principle of ecosystem extends to the object-economy theory. Gauss's theorem is a representative strategy of competition which borrows the fundamental truth within ecosystem . Today, I will give you an explanation about Gauss's theorem. Gauss, a Russian scientist, conducted two experiments. First, he put two animals in same space whose family was same but species were different. Their nest was conditioned to have insufficient food. He observed what would be going on inside the small room. Despite occasional quarreling, two animals managed to survive, sharing short meal. Second, he performed an identical test of same family and same species. However the result was completely different. They fought severely and knocked to death each other. Gauss called this phenomenon the survival principal by differentiation. The more similar they are, the more they fight. Consequently, being alike demands intensive competition among contestants. For additional knowledge, there is...