chapter one a survey of sanskrit commentary literature in kerala

18Vijµ¡nabhikÀu’s Yogas¡ra. Thus like other systems, yoga texts have a good numberof commentaries.Vai¿eÀikadar¿anaVai¿eÀika philosophy, known as Aul£kyadar¿ana, is formulated in theVai¿eÀikas£tra of Ka¸¡da who belonged to a very ancient age. Vai¿eÀikas£traemphasized more in metaphysics than in logic and theory of knowledge. It beginswith proposing the task of explaining ‘dharma’ and ends with referring to theefficacy of Vedic injunctions. The contributions of vai¿eÀikas are more popular andmaterialistic. The earliest commentary on Vai¿eÀikas£tra is Bharadv¡jav¤tti andR¡va¸abh¡Àya. They are however no longer extant. One has now to rely chiefly onsuch treatises as Up¡skara by Sa´karami¿ra (15 th century AD) and Ka¸¡das£trav¤ttiby Jayan¡r¡ya¸atarkkapaµc¡nana (19 th century AD). There is also a detailedcommentary on Up¡skara called PariÀk¡ra composed recently by Paµc¡nana.Vyoma¿iv¡c¡rya’s (10 th century AD) Vyom¡vat¢ is the commentary onPad¡rthadharmasa´graha on the vai¿eÀika system. This was followed by