The structure of Nyayasutra book one discusses the topics of subject matter and statement of purpose, instruments of correct knowledge, nature of argument, how to analyze opposing views, correct conclusions are those where contradictions do not exist, and theory of reasoning methods that are flawed..
The structure of Nyayasutra Book 1 Topics Subject matter and statement of purpose of the text. Four reliable instruments of correct knowledge. Definitions. Nature of argument and nature of the process of valid proof. How to analyze opposing views, presents its theory of five-membered arguments, correct conclusions are those where contradictions do not exist, theory of reasoning methods that are flawed, what is a quibble and how to avoid it. 
