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Dravyasamgraha
body, and subtle body change. When the self achieves perfection (siddhi), it transcends both. In discussing the relation between the states of the self and the states of the karmamatter, the Jaina makes a distinction between a substantial cause (upādāna kartā) and an external cause (nimitta kartā). Mental states are the modifications of the self, and organic states are the modifications of matter. The self is the substantial cause of psychical states, and matter is the substantial cause of organic states. And yet psychical states and organic states are external causes of each other. One psychical state is produced by an immediately preceding psychical state, and determined externally by an organic state. In like manner, one organic state is determined by immediately preceding organic state and yet conditioned externally by a psychic state.
Jhaveri, B.J., Consideration of Self in Jaina Philosophy, published in Mahavira and His Teachings, p. 235-236.
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