The upanishads , somewhat later writings usually called vedanta , are more philosophic in character and contain the central theoretical ideas of hinduism .
《奥义书》更具哲学的特点，它包括了印度教的中心理论思想，其后面部分的文献通常称作《吠檀多》。
The cash deal , valued at around $ 9 billion , will supplement vedanta 's existing businesses in copper , zinc , aluminium and iron ores .
