The book is composed of Nyaya theory and its various factors such as pramana, doubt (samsya), error (viparyyaya), hypothetical argument (tarka), etc. Definition of valid knowledge (prama), parmana (method of knowledge), Nyaya criticism of the Bauddha views of pramana, Nyaya criticism of the Mimamsa and Sankhya views, subject, object and method of valid knowledge, test of truth, Buddhist, Jaina, Prabhakara, Vedanta and Nyaya definitions of perception are ...
