As a result of different judging standards and different attitudes towards category members as well as their differences and similarities,classical category theory and quasi-type theory are generally considered to be two confrontational category theories though scholars still have disagreements about them.

Formal description for architecture model based on feature and category theory

The paper discusses some major parallel models at present,and studies in details the parallel model based on the category theory,categorical data type (CDT) model,the present work actuality and existing problem etc.

By using category theory,the properties of corelations,including the basic properties of the correspondence between relations and corelations,equivalence corelations,and coequivalence corelations,are investigated.

The system of theories of socialism with Chinese characteristics is a completely new theoretical category.

Yuan Ren-lin explicitly applies "Qi" category theory to the analysis and study of function words,and his analysis through "shen qing sheng qi" has implications for us and its significance for the establishment of Chinese-standard grammatical system is worthy of our study.

Some common mistakes which are made by the foreign students while learning Chinese are explained with the theory of the prototype category.