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2. THE AUTHORS: AKALANKA (7) Artha (object) and Aloka (light), are not conditions of knowledge.1 Akalanka admits of sense organs and mind as the conditions of knowledge and not object and light, since the latter two factors do not have relation of concommitance and difference (affirmation and negation) with knowledge.
(8) The nature of perception : Acārya Siddhasena defined pratyakşa as the negation of mediate knowledge i.e. his approach is mainly via negativa. Akalarka defines that Pratyaksa is immediate-cum-lucid and further he defined the conspicuity of this, which has been accepted by the subsequent writers.
The contributions to Logic by Akalanka are too many to narrate in this short introduction; suffice it to say that he had his original contribution to Pratyakșa—Sāmvyavahārika (empirical), Parokşa—its definition and divisions : Smrti, Pratyabijñāna, Tarka, Anumāna and Agama ; the inference and its syllogistic forms ; Hetu and its divisions ; Hetvābhāsa—fallacies of reason, Lāda—nature and scope'; Jāti-fallacy of refutations; Jayaparājayavyavastha—the ground of defeat; Saptabhangi-pramāņa saptabhangi and nayasaptabhangi ; Sakalādeśa and Vikalādeśa. Naya and nayābhāsa-fallacies of partial standpoint; discussion on assertion; nikșepa—imposition or aspect ; combating the critics of Anekānta etc.2
Akalanka has rendered the signal contribution to Jaina philosophy of Anekānta.
(i) Personality of Akalanka :
Thus, on the strength of epigraphical, textual and contemporary evidences it can be concluded without any misgivings that Akalanka was the epoch-maker of the 8th C. A.D. Famous he was as an author, equally proficient in debates also with which he vanquished the Buddhists in the court of Himaśitala ; Mallisena Prasasti's glowing tributes to Akalanka, in verse beginning with “Rājan Sähasatunga" etc. reflect his forceful writings and graceful orations.
His works, both original and commentorial, stand as eloquent testimony to his penetrating mind and show a remarkable advancement in Jaina Logic. He had chivalrous disposition to help the people misled by the Buddhists. In his writings he was very satirical and caustic about
1 LT. vs. 53. 56. 2 For detailed discussions see, Itroductions to AGT and NVV vol I and II ; Jaina
Dar sana pp. 146, 152, 269, 273, 286, 315-28, 344-361, 410-416, 475-514. 516-617 etc; Hindi Intro, pp 61-65; 95 ff;
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