This 14th century Indian philosophical text is a major work of the Nyaya-Vaisheshika school. This edition includes extracts from the commentaries of Mathuranatha Tarkavagisa and of Jayadeva Misra, edited by Kamakhyanath Tarkavagisa. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America,...