The systems of Indian philosophy represent the attempts at a logical explanation of the problem of a reality and a reasoned interpretation of spiritual experiences. Traditionally, the systems are divided into the ‘Astika darsanas’, i.e. the orthodox systems and the ‘Nastika darsanas’, i.e. the heterodox systems – Buddhism and Jainism. The division is founded on the acceptance or rejection of the Vedas as the source of authority, not only in the worldly ...