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important treatment of Indian philosophy in the Saddarśanasamuccaya of Haribhadra and its popularity among the scholars preserves the fame of Haribhadra even now. Moreover, he wrote Anekānta Praveśa, Šāstravārtā Sammuccaya, Sarvagyasiddhi etc.
Afterwards, we come to the great logicians, Abhyadeva and Vidyānanda belonging to the early part of 9' cent. A.D., both the learned Jaina-s gave a very prominent place to logic (Jaina Nyāya) in the world of philosophy. Here we find a synthetic review of the Sāņkhya, Yoga, Vaiśesika, Advaita, Mīmāmsā and Buddhist philosophy. Vidyānanda in his works Astasāhasrī and Slokavārtika expounded the various logical principles of the Jaina-s, syādvād, anekānta etc. with the special criticism to non-Jain doctrines. Abhayadeva, on the other hand, is the author of a treatise on logic called. Vādamahārnava or 'the Ocean of Discussions' a commentary on the Sanmati Tarka. He is described as a lion, who roamed at ease in the wild forest of books on logic.
Coming to the twelfth century, we meet Mānikyanandi (9th cent. A.D.), Prabhāchandra, Vadideva (10th - 12th cent. A.D) and Hemachandra (1088-1172 cent." A.D.) the well-known figures in Jaina Literature. Mānikyanandi wrote Parīśamukha and Prabhāchandra wrote Prameya Kamal Mārtanda and both of them tried to highlight the pramāna, naya and anekānta. Vādidevāchārya was a great debator and it is said that as a debator, he beconed to have no rival. To establish the doctrine of syādvāda, and nayavāda, he wrote Pramāna-naya tattvalokālankāra and a voluminous exposition of it,called Syādvādaratnākara. Hemcandra is the most celebrated author in Jainism. He composed thirty two verses called Anyayogavyavacchedikā, a beautiful exposition of the six systems, in a very lucid and charming language. He also wrote pramana mimāmsā, which is considered as the landmarks on Jain philosophical texts. With him, there comes an end of Pramāna Vyavasthā age.
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