The Nyayamrita of Vyasatirtha (also known as Vyasaraya; 1478–1539 CE) stands as a monumental work in the history of Indian philosophy. Composed during the high point of the Dvaita Vedanta tradition, it serves as both a rigorous defence of Madhvacharya’s realistic metaphysics and a comprehensive refutation of the non dualistic (Advaita) doctrines popularized by Adi Shankaracharya. Unlike many polemical tracts, the Nyayamrita is celebrated for its lucid, elegant prose and systematic structure. Over four detailed chapters, Vyasatirtha marshals the tools of classical logic and scriptural exegesis to challenge the conceptual foundations of advaita while simultaneously clarifying and defending the key tenets of dvaita. Historical Context and Significance During the late fifteenth and early sixteenth centuries, Indian philosophical debate flourished in royal courts and monastic centres alike. Madhvacharya’s dualistic school (dvaita) had by this time developed a substantial body of com...