Intellectual setting
Gaṅgeśa extended the older Nyāya-Vaiśeṣika tradition at a moment of intense interschool argument about perception and inference.
Key ideas
Analysis of knowledge
His work separates conditions and objects of cognition with a technicality that reshaped later debate.
Tarka and inference
Suppositional reasoning tests rival claims by their consequences while remaining distinct from a source of knowledge.
Legacy
Navya-Nyāya’s terminology became a widely shared tool of philosophical analysis in early modern South Asia.