Ravi Zacharias has said most eastern philosophies reject the law of noncontradiction. The law of non-contradiction is found in ancient Indian logic as a rule in the "Shrauta Sutras", the writing of , and the "Brahma Sutras" attributed to Vyasa. It was later elaborated on by medieval commentators such as Madhvacharya. The idea of noncontradiction is rejected in some strands of Buddhism. 