Padartha — Vijnana

: The principle of difference, used to decrease opposing qualities.

: Added later to describe the absence of a substance or quality. Practical Application in Ayurveda Hand Book of Padartha Vijnana (Essence of Verses)

is the foundational "science of substances" in Ayurveda, serving as the bridge between abstract Indian philosophy (Darshana) and practical medical application. It provides the theoretical framework for understanding the universe, the human body, and how they interact to maintain health or cause disease. The Core Concept of "Padartha" Padartha Vijnana

: The inherent qualities of a substance, such as heavy, cold, or sharp, which influence its therapeutic action.

: The physical basis or substrate in which properties and actions reside. : The principle of difference, used to decrease

The term literally means "the meaning of a word" ( pada + artha ). In this context, it refers to any object or entity that exists, can be named, and can be experienced. Ayurveda adopts the categorization of the universe into six (and later seven) essential "Padarthas" to explain existence:

: The principle of similarity, where like increases like. It provides the theoretical framework for understanding the

: The inseparable relationship between a substance and its properties or actions.