Nyaya//Define Nyaya System
[means logic; axiom; logical reasoning; rule; method; syllogism]
1. An orthodox (astika) school of Indian philosophy. Its founder was Gautama; its varttika-kara was Uddyotakara; and its bhasya-kara was Vatsyayana. It is primarily a school of logic and epistemology. It has been defined as a critique of categories through means of valid knowledge. It is also referred to by the names anviksiki and tarka.
2. The Nyaya school holds a philosophy of logical realism. The distinctive contribution of this school is its fashioning of the tools of enquiry and its formulation of the technique of argumentation.