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29
Tattvarthasutra
That is called avamda. Just like when something is touched in deep darkness, there arises the knowledge that "this is something." In this knowledge, it does not become clear what that something is. Therefore, it is called avyakta jnana (unmanifest knowledge).
2. The contemplation that occurs to determine surely the specific form of a common subject accepted with avagraha (conception) is called ha. For example,
"Is this the touch of a rope or a snake?" Such doubts arise, leading to the contemplation that one should see this rope; because if it is indeed a snake, it would not remain without making a noise while being subjected to such strong contact. This contemplation is called bhavana or ihā.
3. The specific understanding gained through ihā with some further consideration and concentration is called avāy. For example, after examining for some time, it is concluded that this is not the touch of a snake, but of a rope, which is referred to as avāy or apāy.
4. The conclusion in the form of avāy remains for some time. However, since the mind moves on to other subjects, that conclusion eventually fades away. Nevertheless, it leaves behind such impressions that when suitable conditions arise later, it brings back the memory of that subject. The continuous flow of this conclusion, the impressions generated, and the cognitive dealings arising from those impressions are present.
Is the order of the four types of reflections described above determinative or contingent?