Uddyotakara (6th century)

Uddyotakara, a philosopher of the Nyāya school, wrote the Nyāyavārttika, a lengthy commentary on the Nyāyasūtra. His most urgent task was to re-establish the authority of the Nyāya school in the face of extensive criticism from the great Buddhist logician Dignāga. Dignāga had been particularly critical of the logical work of Vātsyāyana, Uddyotakara’s predecessor. In response, Uddyotakara incorporated Dignāga’s logical work into the Nyāya school, and added his own interpretation. He was less receptive to Dignāga’s other views, especially his account of perception and its relation to language.