YāskaYāska was an ancient Indian grammarian and linguist [est. 7th–5th century BCE(disputed)]. Preceding Pāṇini [est. 7th–4th century BCE(disputed)], he is traditionally identified as the author of Nirukta, the discipline of "etymology" (explanation of words) within Sanskrit grammatical tradition and the Nighantu, the oldest proto-thesaurus in India. Yaska is widely regarded as the precursive founder of the discipline of what would become etymology in both the East and the West.
Nasadiya SuktaThe Nāsadīya Sūkta (after the incipit , or "not the non-existent"), also known as the Hymn of Creation, is the 129th hymn of the 10th mandala of the Rigveda (10:129). It is concerned with cosmology and the origin of the universe. Nasadiya Sukta begins with the statement: "Then, there was neither existence, nor non-existence." It ponders when, why, and through whom the universe came into being in a contemplative tone, and provides no definite answers.
Sphoṭa(स्फोट, ˈsphoːʈɐ; "bursting, opening", "spurt") is an important concept in the Indian grammatical tradition of Vyakarana, relating to the problem of speech production, how the mind orders linguistic units into coherent discourse and meaning. The theory of is associated with Bhartṛhari ( 5th century), an early figure in Indic linguistic theory, mentioned in the 670s by Chinese traveller Yijing. Bhartṛhari is the author of the Vākyapadīya ("[treatise] on words and sentences").
BhartṛhariBhartṛhari (Devanagari: भर्तृहरि; also romanised as Bhartrihari; fl. c. 5th century CE) was a Hindu linguistic philosopher to whom are normally ascribed two influential Sanskrit texts: the Trikāṇḍī (including Vākyapadīya), on Sanskrit grammar and linguistic philosophy, a foundational text in the Indian grammatical tradition, explaining numerous theories on the word and on the sentence, including theories which came to be known under the name of Sphoṭa; in this work Bhartrhari also discussed logical problems such as the liar paradox and a paradox of unnameability or unsignifiability which has become known as Bhartrhari's paradox, and the Śatakatraya, a work of Sanskrit poetry, comprising three collections of about 100 stanzas each; it may or may not be by the same author who composed the two mentioned grammatical works.
Kaṇāda (philosopher)Kaṇāda (कणाद), also known as Ulūka, Kashyapa, Kaṇabhaksha, Kaṇabhuj was an ancient Indian natural scientist and philosopher who founded the Vaisheshika school of Indian philosophy that also represents the earliest Indian physics. Estimated to have lived sometime between 6th century to 2nd century BCE, little is known about his life. His traditional name "Kaṇāda" means "atom eater", and he is known for developing the foundations of an atomistic approach to physics and philosophy in the Sanskrit text Vaiśeṣika Sūtra.
