With reference to the cultural history of India, which one of the following is the correct description of the term 'Prajna' ?
1
A sacrifice performed by the Kings to attain victory in a war.
2
Supreme knowledge necessary to overcome the false duality of the world and move towards nirvana.
3
A school of thought that rejected the authenticity of the Vedas.
4
A school of thought based on the theory of atoms.