His theory of knowledge gives special attention to the nature and importance of cognition as a guide to action.
This theme informs several elements of his project, including his realism, his account of epistemic entitlement, and his notion of philosophy's contribution to living well.
[6][7] Vātsyāyana's commentary represents a pivotal moment in Nyaya's development as a distinct philosophical school.
He systematically defended Nyāya's views during a period of intense inter-school philosophical debate against rival positions, particularly those of Buddhist skeptics like Nagarjuna and Vedic traditions such as Samkhya and Mimamsa.
[8] Vātsyāyana argues that achieving the supreme good (liberation) involves understanding key elements: the nature of suffering, its root cause (ignorance), the means to eliminate it (true knowledge of the self and reality), and the method for achieving this (the philosophical framework of Nyaya).