Vaisheshika, traditionally paired with Nyaya as a closely allied school, is built around a systematic classification of reality into a small number of categories, padarthas, meant to be exhaustive: substance, quality, action, generality, particularity, inherence, and, in later formulations, non-existence. Nearly everything Vaisheshika says about the world is an elaboration of how a given thing fits within this classificatory scheme, making it one of Indian philosophy’s most formally systematic ontological projects.
Within the category of substance, Vaisheshika developed a genuinely atomic theory of matter, holding that the physical elements are ultimately composed of indivisible, indestructible particles, paramanu, that combine in specific patterns to form the composite objects of ordinary experience. This theory was developed independently of, and considerably before, Greek atomism became widely known and centuries before anything resembling atomic theory reappeared in early modern European science. The comparison is worth stating carefully: Vaisheshika’s atoms are a metaphysical category arrived at through philosophical reasoning about the divisibility of matter, not an empirically derived scientific model, and the resemblance to later physical atomic theory is structural rather than a claim of shared method or evidence.
What makes the comparison worth making at all is the shared underlying intuition: that the apparent continuity of ordinary matter conceals a discrete, granular structure at a small enough scale, arrived at, in the Vaisheshika case, through the reasoning that any composite object must ultimately be built from parts that are not themselves further composite, on pain of an infinite regress of parts within parts that never bottoms out in anything.
Vaisheshika’s categories eventually merged closely with Nyaya’s logical apparatus, forming a combined Nyaya-Vaisheshika system that treated correct inference and correct ontological classification as two sides of the same philosophical project. A third school, developed for a very different original purpose, correct interpretation of Vedic ritual injunctions, contributed its own distinctive and highly influential theory of language and meaning, examined next.
Part 30 of 100 — Series II: To the Eternal
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