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Similarly, Haribhadrasuri who is placed by Jinavijayaji in the period 700-770 A. D.-a view accepted by Keith24-does not mention the TPS or tattvopaplava vada either in his षड्दर्शनसमुच्चय or शास्त्रवातासमुच्चय though he describes the Lokāyata darsana in the SDS and discusses it in the SVS. This also agrees well with the age which we assign to Jayarāsi.
Native place of Jayarāši
We have no means of ascertaining the birth place of Jayaraşi. But from the fact that the earliest references to the TPS and Jayarasi are in the works of Vidyanandin and Anantavirya both of them Digambara Jain Acharyas of Southern India and from the fact that the TPS refers only to the Digambara Jain sect (P. 79) we are inclined to guess that probably J. also came from the land which produced Bhatta Kumarila, Dharmakirti, Akalanka, Vidyanandin, Anantavirya and Sankaracharya.
As to the caste of Bhatta Jayarasi as he calls himself there cannot be much doubt. He must have been a Brahmin like Bhatta Kumarila though the title Bhatta is sometimes found with the names of some Digambara Jain pontiffs, e. g. Bhatta Akalańkadeva. But Jayarasi could not have been a Jain or a Buddhist as he mercilessly attacks their views; while his being a Brahmin would not prevent him from attacking other Brahminical systems with which he could not agree. In our view the Lokayata Darsana is one of the Brahminical Darsanas though not one of the Astika Daršanas because Bṛhaspati is not outside the Brahminical fold. S'ri Harṣa, as we saw above, refers to him as ni gumi,'
Works of Jayarasi
Whether J. wrote any other work besides TPS we do not definitely know, but it is likely, as the following reference shows that he may have written another work named Lakṣanasāra: अव्यपदेश्यपदं च यथा न साधीयः तथा लक्षणसारे द्रष्टव्यम्। But as we have said above the possibility of being the work of some other author of the same school is not altogether excluded. TPS a work of the Lokayata School
We have said in the beginning that the TPS is a work of the Lokayata or Charvaka school or to be more precise - of a particular division of that school. Our reason for this statement is that J. in support of his opinion quotes Bṛhaspati
24. J. S. S. Vol. I p. 53, A His. of S. L. preface p. XXI
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