The law of non-contradiction is found in ancient Indian logic as a meta-rule in the `` Shrauta Sutras '' , the grammar of Pāṇini , and the `` Brahma Sutras '' attributed to Vyasa .
The law of non-contradiction is found in ancient Indian logic as a rule in the `` Shrauta Sutras '' , the writing of Pāṇini , and the `` Brahma Sutras '' attributed to Vyasa .