5th-century Indian philosophers

Buddhaghosa was a 5th-century Sinhalese Theravādin Buddhist commentator, translator, and philosopher. He worked in the great monastery (mahāvihāra) at Anurādhapura, Sri Lanka and saw himself as being part of the Vibhajyavāda school and in the lineage of the Sinhalese mahāvihāra.

Dignāga (also known as Diṅnāga, ) was an Indian Buddhist philosopher and logician. He is credited as one of the Buddhist founders of Indian logic (hetu vidyā) and atomism. Dignāga's work laid the groundwork for the development of deductive logic in India and created the first system of Buddhist logic and epistemology (pramāṇa).