Nyāya, “rule” or “method”, is the school founded on Gautama’s Nyāya Sūtras. It analyses the means of valid knowledge, inference and debate, and defends the existence of a self and of God by argument. Its later form, Navya-Nyāya, developed a technical language used across Indian philosophy.
Nyāya
The school of Indian logic and epistemology, concerned with the valid means of knowledge.
Also: Nyaya