Comparison between Mohist and Aristotelian Theories of Proposition

The theory of proposition is the important content of logic.Both Mohist School and Aristotle discuss the basic problems of proposition which are the nature of proposition,the types and relations of proposition,model propositions etc.This forms their abundant theories of proposition.There are many differences between their theories of proposition.Comparing between their identities and differences,which is further advantageous to understand the identical nature and different characteristics of ancient logic in China and the West.