Prasthanatrayi


Prasthanatrayi, literally, three sources , refers to the three canonical texts of theology having epistemic authority, especially of the Vedanta schools. It consists of:
  1. The Upanishads, known as Upadesha prasthana, and the Śruti prasthāna, especially the Principal Upanishads.
  2. The Brahma Sutras, known as Sutra prasthana or Nyaya prasthana or Yukti prasthana
  3. The Bhagavad Gita, known as Sadhana prasthana, and the Smriti prasthāna
The Upanishads consist of ten, twelve or thirteen major texts, with a total of 108 texts. The ten Upanishads are Isha, Kena, Kata, Prashna, Mundaka, Mandukya, Aitareya, Taitareya, Chandodya and Bruhadaranyaka.
The is part of the. In the Bheeshma Parva.
The , systematize the doctrines taught in the Upanishads and the.
The founders of the major schools of Vedanta, Adi Shankara and Madhvacharya, wrote on these texts. Ramanujacharya did not write any on the Upanishads, but Ramanuja wrote on Brahma Sutras and Bhagavad Gita.