Chapter 2 - Historical Study of Nyaya system

lines of the non-orthodox scholars and confined his treatment of logic mainly to its limited though rigid sense, that is, the treatment of pramāṇas, is not correct. Bhasarvina, while treating the prameyas (though treated somewhat on different lines), believes that amongst the prameyas, Atma and Apavarga are the only two main prameyas, like Gautama and Vatsyāyana. From all this, we can say that Bhasarviña occupies a unique position in the Nyaya system and tells us many things about the earlier aspects of this system (vii) Udayana (1050 A.D.) The last representative of the Old Nyaya is Udayana who may be easily said to be the greatest of the thinkers of this period. It was he who took the cudgel against the Buddhists and gave a final blow to their views. It is, therefore, that we do not hear much about these Buddhists scholars after Udayana. The credit to put an end to the old academic quarrel between the Buddhists and non-Buddhists, is given to Udayana. Udayana is both a Naiyāyika and a Vaisesika. He has written a commentary named Nibandha or Parisudhi on Tat paryatikā. By writing this treatise he can be placed in the direct line of the commentators of the Nyaya Sūtra of Gautama and hence he 59