If we define Hetuvidyā simply as the study of the Buddhist three-part reasonings(trayāvayava)and their rules,by rereading the classics and by getting access to the text,the intellectual genealogy of Hetuvidyā is then derived from the text:vie-wing from the evolution of Hetuvidyā,there is a conversion achieved from Indian Hetuvidyā to the sinicized Hetuvidyā;from the aspect of theory,three-part reasonings are the perfection of five-part reasonings,with a conceptual group distinct from that of the Aristotelian syllogism;from the scope of study,it encompasses both the theory and the application of Hetuvidyā.The analysis of in-tellectual genealogy shows that,Hetuvidyā has its own conceptual system as well as application range,which differentiates itself from the validity of reasoning.Logic has been a tool for the argumentation of thoughts ever from its emergence,thus our studying and writing of its history should start from the argumentation of thoughts as a perspective,to identify and summarize the characteris-tics of different logics in terms of logic theory and its application,which forms the basis of civilization exchanges and mutual consid-erations.
logicHetuvidyāargument structureargumentation of thoughtsintellectual genealogy
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