墨家著作《墨經》有大量、系列的邏輯範疇。本文簡論《墨經》辯、名、辭、說、故、理、類等邏輯範疇，分析這些範疇的實質和相互聯繫，這將有助於認識中國古代邏輯的內容、性質、體系和價值。

　　　　　There are a series of logical categories in the work of the Mohist, i.e. Mo-ting. This paper discusses the series of logical categories of Mo-ting, such as argument, term, proposition, reasoning, ground, inference, classification and so on. It also analyses the essence and interrelation of these categories, which helps us to understand the content, the nature, system and value of the logic in ancient China.