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PREFACE,
Ten is an Upasañhāra with personal touches.
Rāmasena, the author of the Tattvānusāsana, was initiated into the ascetic order by Nagsena; and he recieved instructions in scriptural knowledge from víracandra, Subhadeva, Mahendradeva and Vijiyadeva. There might have been many teachers bearing the name Nāgasena: at least five of them of distinct personality, so far known, have been listed (Intro. pp. 14-5).
Rāmasena shows in his Tattvānusāsana the influence of the works of earlier authors like Kundakunda, Umāsvāti, Samantabhadra, Pujyapada, Akalanka and Jinasena, This Tattvānus'asana 15 specifically quoted by Asadhara who completed his commentary on the Istopades'a some time before A. D. 1228 So Rāmasena must have flourished some time between Jinasena and Aslādhara.
Some of the expressions of Rāmasena remind us of similar contexts in the Uttarapurāņa and Ātmanuslasana of Guņabhadra whose former work was completed some time before 897 A, D. Jayasena in his commentary on the Pancāstikaya and Brahmadeva in his commentary on the Dravyasamngraha specifically mention this Tattvānus'āsana. Further, some of the expressions of Hemacandra in his Yogas'āstra, of Nemichandra Siddbāntadeya in his Dravyasamgraha, of the other Jayasena in his Dharmaratnakara (1055 Vikrama saívat), of Amitagatis ( I and II ) in their Upāsakācāra and Yogasāra, and of Devasena in his Alapa-paddhati remind us of similar contexts in the Tattvānus'āsanam. It also appears that the Tattvānus'āsana shows the influence of the Tattvārthasāra of of Amsta