Gautama — Philosopher of the Nyaya school
Date disputed; the sutras were added to over time · disputed · disputed
The text is layered and its commentaries are much later
Unknown or disputed.
Passage not yet recorded.
Philosophy, logic and critical thinking · CBSE (KTPI) · IB · A-level — Valid means of knowledge, inference and its structure, definition, fallacy, the rules of formal debate and refutation.
Philosophy — Epistemology, metaphysics, logic, philosophy of language, and a formal tradition of public debate between rival schools.
Evidence: traditionally attributed · no modern scholarly reference recorded yet.