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Karmavipaka, when combined with the senses and mind, results in six distinct categories for each. For example, the sense of touch, the sense of taste, the sense of smell, the sense of sight, the sense of hearing, and the mind, when combined with Arthaavgraha, result in the following six categories of Arthaavgraha:
(1) Sparshendriya-Arthaavgraha, (2) Rasnendriya-Arthaavgraha, (3) Ghranendriya-Arthaavgraha, (4) Chakshusendriya-Arthaavgraha, (5) Shrotrendriya-Arthaavgraha, and (6) Man-Arthaavgraha.
Similarly, by combining the five senses and the mind with Iha, Avaya, and Dharana respectively, six categories each should be derived.
Combining the six categories of each of these four - Arthaavgraha, Iha, Avaya, and Dharana - results in a total of twenty-four categories. Adding the four categories of Vyanjanavgraha to these categories results in a total of twenty-eight categories of Matijnana. These categories are clearly explained in the table on page 27.
After explaining the twenty-eight categories of Matijnana, we now explain the 336 and 340 categories.
The function of knowledge is to know objects. Depending on the intensity of Kshayopa-shama, knowledge sometimes knows one type of object and sometimes many types of objects. Sometimes the knowledge of an object is quick, and sometimes it is slow, etc. Therefore, the twenty-four categories that arise from the six instruments - the five senses and the mind - in the form of Arthaavgraha, Iha, Avaya, and Dharana, are related to Kshayopa-shama and the object.
1. Nandī Sūtra 26, 31, 32, 33.