Vaiśeṣika, founded on Kaṇāda’s sūtras, classifies all that exists under a set of categories, such as substance, quality and action, and holds that physical things are composed of eternal atoms. It was early joined with Nyāya, the two forming a single realist system.
Vaiśeṣika
The Indian school of natural philosophy that analyses the world into atoms and categories.
Also: Vaisheshika