Vaisheshika (IAST: Vaiśeṣika; ; ) is one of the six schools of Hindu philosophy from ancient India. In its early stages, Vaiśeṣika was an independent philosophy with its own metaphysics, epistemology, logic, ethics, and soteriology. Over time, the Vaiśeṣika system became similar in its philosophical procedures, ethical conclusions and soteriology to the Nyāya school of Hinduism, but retained its difference in epistemology and metaphysics. The epistemology of the Vaiśeṣika school of Hinduism, like Buddhism, accepted only two reliable means to knowledge: direct observation and inference. The Vaiśeṣika school and Buddhism both consider their respective scriptures as indisputable and valid means to knowledge, the difference being that the scriptures held to be a valid and reliable source by Vaiśeṣikas were the Vedas. The Vaiśeṣika school is known for its insights in naturalism, a form of atomism in natural philosophy. It postulated that all objects in the physical universe are reducible to paramāṇu (atoms), and one's experiences are derived from the interplay of substance (a function of atoms, their number and their spatial arrangements), quality, activity, commonness, particularity and inherence. Everything was composed of atoms, qualities emerged from aggregates of atoms, but the aggregation and nature of these atoms was predetermined by cosmic forces. Ājīvika metaphysics included a theory of atoms which was later adapted in the Vaiśeṣika school. According to the Vaiśeṣika school, knowledge and liberation were achievable by a complete understanding of the world of experience. Vaiśeṣika darshana was founded by Kaṇāda Kashyapa around the 6th to 2nd century BC.

Overview

The name Vaiśeṣika derives from viśeṣa, the category that represents the individuality of innumerable existing objects. Although the Vaiśeṣika system developed independently from the Nyāya philosophy of Hinduism, the two became similar and are often studied together. However, in its classical form, the Vaiśeṣika school differed from Nyāya in a significant way: where Nyāya accepted four sources of valid knowledge, the Vaiśeṣika accepted only two. The epistemology of Vaiśeṣika school of Hinduism accepted only two reliable means to knowledge – perception and inference. Vaisheshika espouses a form of atomism, that the reality is composed of five substances (examples are earth, water, air, fire, and space). Each of these five are of two types, explains Ganeri: paramāṇu and composite. A paramāṇu is that which is indestructible, indivisible, and has a special kind of dimension, called "small" (aṇu). A composite is that which is divisible into paramāṇu. Whatever human beings perceive is composite, and even the smallest perceptible thing, namely, a fleck of dust, has parts, which are therefore invisible. The Vaiśeṣikas visualized the smallest composite thing as a "triad" (tryaṇuka) with three parts, each part with a "dyad" (dyaṇuka). Vaiśeṣikas believed that a dyad has two parts, each of which is an atom. Size, form, truths and everything that human beings experience as a whole is a function of parmanus, their number and their spatial arrangements. Parama means "most distant, remotest, extreme, last" and aṇu means "atom, very small particle", hence paramāṇu is essentially "the most distant or last small (i.e. smallest) particle". Vaiśeṣika postulated that what one experiences is derived from dravya (substance: a function of atoms, their number and their spatial arrangements), guna (quality), karma (activity), samanya (commonness), vishesha (particularity) and samavaya (inherence, inseparable connectedness of everything). The followers of this philosophy are mostly Shaivas. Acharya Haribhadra Suri, in his work 'Ṣaḍdarśanasamuccaya' describes the followers of Vaiśeṣika as worshippers of Pashupati or Shiva.

Development

Foundational Text

The earliest systematic exposition of the Vaisheshika is found in the Vaisheshika Sutra of (or ). Kanada is also referred to as Uluka by Ci-tsan, a Chinese Buddhist commentator. This treatise is divided into ten books.

Commentaries

The two commentaries on the, and are no more extant. Prashastapada’s (c. 4th century) is the next important work of this school. Though commonly known as of, this treatise is basically an independent work on the subject. The next Vaisheshika treatise, Candra’s (648) based on ’s treatise is available only in Chinese translation. The earliest commentary available on ’s treatise is ’s (8th century). The other three commentaries are ’s (991), Udayana’s (10th century) and ’s (11th century). ’s which also belongs to the same period, presents the and the principles as a part of one whole. ’s on is also an important work.

Epistemology

Six pramāṇas (epistemically reliable means to accurate knowledge and to truths) are noted within different Indian philsophical schools: Pratyakṣa (perception), Anumāna (inference), Śabda or āgama "(word, testimony of past or present reliable experts), Upamāna (comparison and analogy), Arthāpatti (postulation, derivation from circumstances), and Anupalabdhi (non-perception, negative/cognitive proof). Of these epistemology considered only pratyakṣa (perception) and (inference) as reliable means of valid knowledge. Yoga accepts the first three of these six as pramāṇa; and the Nyaya school, related to Vaiśeṣika, accepts the first four out of these six.

Syllogism

The syllogism of the school was similar to that of the Nyāya school of Hinduism, but the names given by to the 5 members of syllogism are different.

Metaphysics

The Categories or Padārtha

According to the Vaisheshika school, all things that exist, that can be cognized and named are s (literal meaning: the meaning of a word), the objects of experience. All objects of experience can be classified into six categories, dravya (substance), (quality), karma (activity), (generality), (particularity) and (inherence). Later s ( and Udayana and ) added one more category abhava (non-existence). The first three categories are defined as artha (which can perceived) and they have real objective existence. The last three categories are defined as (product of intellectual discrimination) and they are logical categories.

Atomism

According to the school, a paramanu (atom) is an indestructible particle of matter. The atom is indivisible because it is a state at which no measurement can be attributed. They used invariance arguments to determine properties of the atoms. It also stated that anu can have two states—absolute rest and a state of motion. They postulated four different kinds of atoms: two with mass, and two without. Each substance is supposed to consist of all four kinds of atoms. Atoms can be combined into s (triads) and (dyad)before they aggregate into bodies of a kind that can be perceived. Each (atom) possesses its own distinct (individuality) The measure of the partless atoms is known as parimaṇḍala parimāṇa. It is eternal and it cannot generate the measure of any other substance. Its measure is its own absolutely.

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