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The **Sri Sutra Kritanga Sutra (Neno)** states that the mind is the internal organ of all objects, and it is the sign of the simultaneous arising of knowledge. The mind is also a substance, and it is grasped by the non-living substance (pudgala) through its own grasping. The mind as a state is a quality of the soul, and it is grasped by the soul through its own grasping.
The cause of the soul's experience of pleasure and pain is **pravritti** (activity). It is not appropriate to consider it as a separate entity, because **pravritti** is the desire of the soul, and it is a quality of the soul. The soul, through its own intention, is a special kind of knowledge. The soul's defilement is called **dosha** (fault). For example, the soul's belief that this body is not eternal, because it is not without beginning, and it is not without end, because its lineage is infinite, is a **dosha**. This belief, whether it is about the body being without beginning or without end, is a **dosha**. **Raga** (attachment), **dvesha** (aversion), **moha** (delusion), etc., are also **doshas**. These **doshas** are also included in the soul's intention, and therefore they are not to be spoken of separately.
The state of non-existence after death, or the existence of the afterlife, is also grasped by the soul through its own grasping of the living and non-living substances. The fruit of this grasping is the experience of pleasure and pain. This experience is also included in the qualities of the soul, and therefore it is not to be spoken of separately. The word "suffering" also refers to various types of obstacles, and therefore it does not go beyond the fruit. **Moksha** (liberation) is the cessation of the cycle of birth and death, and it is characterized by the elimination of all suffering. We have grasped this **moksha** through our own understanding.
**Sanskaya** (doubt) is a perception that is not definitive. It is also a quality of the soul, like definitive knowledge. The **prayojana** (purpose) is that which is used to motivate action. It is also a quality of the soul, because it is a special kind of desire. **Drishtanta** (example) is a statement that is free from contradiction. It is either a living or non-living substance. However, it is not appropriate to consider it as a separate entity, because it would lead to an infinite regress, and it would be grasped again in the future through the grasping of its parts.
There are four types of **siddhantas** (principles):
1. **Sarvatantra Siddhanta** (principle that is not contradicted by any other principle and has the most meaning): For example, the sense organs, such as touch, etc., grasp the objects of the senses, such as touch, etc., through the means of knowledge.
2. **Samanatantra Siddha** (principle that is established by the same principle): For example, the Sankhyas believe that the soul is not born, and it is not destroyed. As it is said, "From non-existence, existence does not arise, and from existence, non-existence does not arise."
3. **Adhikarana Siddhanta** (principle that is established by the dependence on another principle): For example, the soul, which is different from the sense organs, exists, because it grasps the same object through sight and touch. The dependent principles are: 1) the existence of the object, 2) the diversity of the sense organs, 3) the sense organs having fixed objects, 4) the signs of grasping their objects, 5) the sense organs being the means of knowledge for the knower, 6) the substance that is different from the qualities of touch, etc., 7) the locus of the qualities, 8) the conscious beings having fixed objects. These principles are established by the establishment of the previous principle. The previous principle cannot exist without these principles.
4. **Abhyupagam Siddhanta** (principle that is established by the assumption of an unexamined object): For example, when someone asks, "What is sound?", someone might say, "Sound is a substance." Then they might ask, "Is it eternal or non-eternal?" This is an example of this type of principle. All four types of principles do not go beyond special knowledge. Special knowledge is a quality of the soul, and qualities are grasped through the grasping of their locus. Therefore, they are not to be considered separately.
The **avayavas** (parts) of an argument are: **pratijna** (statement), **hetu** (reason), **udaharana** (example), **upanaya** (application), and **nigamana** (conclusion). The **pratijna** is the statement of the proposition, such as "Sound is eternal or non-eternal." The **hetu** is the reason that supports the proposition, such as "Because it is the nature of sound to be produced." The **udaharana** is the example that illustrates the proposition, such as "A pot." The **upanaya** is the application of the reason to the proposition, such as "Sound is non-eternal because it is created, just like a pot." The **nigamana** is the conclusion that restates the proposition and the reason, such as "Therefore, sound is non-eternal."
If these five parts are only words, then they are grasped by the non-living substance (pudgala) through its own grasping, because the words are made of pudgalas. If they are knowledge, then they are grasped by the soul through its own grasping, because knowledge is a quality of the soul. If we assume that special knowledge is a separate entity, then there would be an infinite number of entities, because there are many types of special knowledge.
**Tarka** (reasoning) is a perception that is based on the possibility of something happening, and it is characterized by a critical examination of the meaning. For example, "It is possible that a man will stand here." This is also a special kind of knowledge. Scholars do not accept the idea that special knowledge is a separate entity from the knower, because they are not different.
**Nirnaya** (decision) is a perception that is definitive, and it arises after doubt and reasoning. It is also not different from knowledge. Furthermore, it is not appropriate to consider it separately, because it is included in the means of knowledge, such as perception, etc., because it is definitive.
There are three types of **katha** (discourse): **vada** (debate), **jalpa** (wrangling), and **vitanda** (sophistry). **Vada** is a debate that is based on the means of knowledge, reasoning, and the use of arguments. It is not contradictory to the principles, and it is supported by the five parts of an argument. It involves the