In this article, the basic features of Indian logic are made known through the exploration about the evolution history of Indian logic. On this basis, the universal logic is analyzed, and the essential task of logic is pointed out, according to Indian logic. Firstly, the life of Dharmakirti and of Brentano are introduced, the differences of academic mission between them are also researched, and the backgrounds and methods about the two logic system. Then, this article points out that the appearance of...
