Question: Drago Đurić taught a branch of philosophy that explores the nature of what?
Sentence (from "Anviksiki"): This bifurcation of Ānvīkṣikī into philosophy and logic must have had its beginning in around 550 BCE with the exposition of the logical side of Ānvīkṣikī by Medhatithi Gautama.
Relevant evidence: No