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## Description of Six Substances, Five Astikayas (Qualities of the Soul)
**Qualities of the Soul (Consciousness and Utilization)**
Consciousness and utilization are the qualities of the soul.
**Synonyms of the Soul**
The soul has many synonyms, such as deva (god), manushya (human), naraka (hell being), and tiryanch (animal).
**Commentary:**
Here, we are explaining the **bhavas (substances)**, **gunas (qualities)**, and **paryayas (synonyms)**.
The six substances, starting with the soul, are the **bhavas**. Their qualities and synonyms are well-known. However, to clarify the examples that will be given in the next verse, we are mentioning the qualities and synonyms of the soul here.
The qualities of the soul are **pure consciousness** in the form of knowledge and perception, and **impure consciousness** in the form of action and the experience of its fruits. There are two types of utilization: **pure** and **impure**, which are characterized by **savikalpa (with discrimination)** and **nirvikalpa (without discrimination)**, respectively. They are also characterized by **purity, impurity, and mixed states**.
The synonyms of the soul are as follows:
* **Pure synonyms** are those that arise from the **increase or decrease of the qualities of the soul**.
* **Impure synonyms** are those that are mentioned in this verse, such as deva, naraka, tiryanch, and manushya. They arise from the **relationship with other substances**.
**Verse 16:**
Thus, the qualities and synonyms of the substances mentioned in the previous verse are explained.
**Sanskrit Commentary:**
The substances starting with the soul are the **bhavas**. What are they? The six substances starting with the soul, and the four substances starting with dharma, have qualities and synonyms, which will be explained in detail in their respective places. Here, we are explaining the qualities of the soul.
The qualities of the soul are consciousness and utilization. What are they? There are two types of consciousness: pure and impure. **Knowledge and perception** are the utilization of pure consciousness. This is a summary statement, a **vartika (commentary)**, a **samudaya-kathana (general statement)**, a **tatparya-arthakathana (statement of meaning)**, and a **sampindita-arthakathana (statement of condensed meaning)**.
For example, **knowledge-consciousness** is called **pure consciousness**, while **karma-consciousness** and **karma-phala-consciousness** are called **impure consciousness**. These three types of consciousness will be explained in detail later in the section on consciousness.
Now, we will explain utilization. **Savikalpa** is the utilization of knowledge, while **nirvikalpa** is the utilization of perception. There are eight types of knowledge-utilization: **mati (belief)**, **shruta (scriptural knowledge)**, **avadhi (clairvoyance)**, **manas-paryaya (knowledge of the mind)**, and **kevala-jnana (omniscience)**. There are also three types of **ajnana (ignorance)**: **kumati (wrong belief)**, **kushrut (wrong scriptural knowledge)**, and **vibhang (wrong perception)**.
Among these, **kevala-jnana** is **pure** and **kshayika (impermanent)** because it is **niravarana (without obstacles)**. The other seven types of knowledge, starting with **mati**, are **impure** and **kshaya-upashamaka (mitigating impermanence)** because they are **savarana (with obstacles)**.
There are four types of perception-utilization: **chakshu (visual perception)**, **achakshu (non-visual perception)**, **avadhi (clairvoyance)**, and **kevala-darshan (omniscience)**. Among these, **kevala-darshan** is **pure** and **kshayika** because it is **niravarana**. The other three types of perception, starting with **chakshu**, are **impure** and **kshaya-upashamaka** because they are **savarana**.
Now, we will explain the synonyms of the soul. The synonyms of the soul are **deva, naraka, tiryanch, and manushya**. There are many synonyms of the soul.
Furthermore, there are two types of synonyms: **dravya-paryaya (synonyms of substance)** and **guna-paryaya (synonyms of quality)**.
The definition of **dravya-paryaya** is as follows: **A dravya-paryaya is the cause of the unity of many substances, which is based on the understanding of that unity.** It is like the unity of many substances in a single entity.
There are two types of **dravya-paryaya**: **samanajaatiya (of the same kind)** and **asamanajaatiya (of different kinds)**.
**Samanajaatiya** is defined as follows: **Two, three, or four or more paramāṇu (atoms) or pudgala (matter) substances combine to form a single entity.**