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IX SIX-SUBSTANCES
The six dravyas (Fundamental substances) according to the Jain Philosophy are (1) Dharmastikaya (2) Adharmastikaya (3) Akashastikaya (4) Pudgalastikaya (5) Jeevastikaya and (6) Addhasamaya or Kala.
(1) Dharmastikaya : That which helps the movement of Jivas (living beings) and Pudgala (matter) is defined as "Dharma." The reason why it is called 'Astikaya is that it exists in a composite form Pradeshas (occupational space). Asti denotes pradesha and Kaya means composite form. A fish has the capacity to swim and has also a desire to move. But without the presence of its instrumental medium viz water it cannot stir. In the same way, that substance which is instrumental and helpful in the motion of animate and inanimate objects is known as Dharmastikaya (Medium of motion).
(2) Adharmastikaya : That which helps