Traditional metal working in Mexico more. Important metal working centers include Taxco for silver, Santa Clara del Cobre for copper, Celaya for tin and Zacatecas for wrought iron. Metal working in Mesoamerica, especially of silver, gold and copper was advanced by the time the Spanish arrived, mostly concentrated in the modern states of Michoacán, Oaxaca and Guerrero. The mining and working of metals probably came to Mesoamerican cultures from the south. Metal working was principally in gold, silver, tin and lead, with some copper work known in what is now Michoacán. Gold was generally obtained in powder or pellet form in rivers and streams from
What is Living and What is Dead in Indian Philosophy What is Living and What is Dead in Indian Philosophy What is Living and What is Dead in Indian Philosophy is a 1976 book by Debiprasad Chattopadhyaya. Explaining the relationship between the soul and consciousness in the Nyaya-Vaisesika philosophy, Debiprasad Chattopadhyaya makes three points. First, consciousness in this view is knowledge (jnana) in an empirical sense. Second, consciousness is one of the multiple qualities of the soul. Third, consciousness is a transient quality, not a permanent quality. By itself, the soul is without consciousness; consciousness is produced in the soul only when it is conjoined with certain other entities. Hiriyanna,