Assertion: yoga | /r/HasProperty | specified in the shvetashvatara upanishad
Facets:
Source sentences:
text: In ancient times, yoga was practised in India on kusha grass, on hard earth without any cover, or on a rug of deer or tiger skin, as specified in the Bhagavadgita and the Shvetashvatara Upanishad as suitable for attaining enlightenment.