Jain cosmology is the description of the shape and functioning of the Universe (loka) and its constituents (such as living beings, matter, space, time etc.) according to Jainism. Jain cosmology considers the universe as an uncreated entity that has existed since infinity with neither beginning nor end. Jain texts describe the shape of the universe as similar to a man standing with legs apart and arms resting on his waist. This Universe, according to Jainism, is broad at the top, narrow at the middle and once again becomes broad at the bottom.
Six eternal substances
According to Jains, the Universe is made up of six simple and eternal substances called dravya which are broadly categorized under Jiva (Living Substances) and Ajiva (Non Living Substances) as follows: Jīva (Living Substances)
Jīva i.e. Souls – Jīva exists as a reality, having a separate existence from the body that houses it. It is characterised by chetana (consciousness) and upayoga (knowledge and perception). Though the soul experiences both birth and death, it is neither really destroyed nor created. Decay and origin refer respectively to the disappearing of one state of soul and appearing of another state, these being merely the modes of the soul. Jiva are classified on bases of sense, so there are of 5 types: 1) with one sense (sparshendriya) 2) 2 senses (1st included and raasendriya) 3) 3 senses (1st 2 included and dharnendriya) 4) 4 senses (1st 3 included and chkshuendriya) 5) 5 senses (1st 4 included and shrotendriya) Ajīva (Non-Living Substances)
Pudgala (Matter) – Matter is classified as solid, liquid, gaseous, energy, fine Karmic materials and extra-fine matter i.e. ultimate particles. Paramāṇu or ultimate particle is the basic building block of all matter. The Paramāṇu and Pudgala are permanent and indestructible. Matter combines and changes its modes but its basic qualities remain the same. According to Jainism, it cannot be created, nor destroyed. Dharmastikāya or Dharma-dravya (Principle of Motion) and Adharmastikāya or Adharma-dravya (Principle of Rest) – Dharmastikāya and Adharmastikāya are distinctly peculiar to Jaina system of thought depicting the principle of Motion and Rest. They are said to pervade the entire universe. Dharmastikāya and Adharmastikāya are by itself not motion or rest but mediate motion and rest in other bodies. Without Dharmastikāya motion is not possible and without Adharmastikāya rest is not possible in the universe. Ākāśa (Space) – Space is a substance that accommodates the living souls, the matter, the principle of motion, the principle of rest and time. It is all-pervading, infinite and made of infinite space-points. Kāla (Time) – Kāla is an eternal substance according to Jainism and all activities, changes or modifications can be achieved only through the progress of time. According to the Jain text, Dravyasaṃgraha: Conventional time (vyavahāra kāla) is perceived by the senses through the transformations and modifications of substances. Real time (niścaya kāla), however, is the cause of imperceptible, minute changes (called vartanā) that go on incessantly in all substances.
Universe and its structure
Jain doctrine postulates an eternal and ever-existing world which works on universal natural laws. The existence of a creator deity is overwhelmingly opposed in Jain doctrine.
Some men declare that a creator made the world. The doctrine that the world was created is ill advised and should be rejected. If God created the world, where was he before the creation? If you say he was transcendent then and needed no support, where is he now? How could God have made this world without any raw material? If you say that he made this first, and then the world, you are faced with an endless regression. According to Jains, the universe has a firm and an unalterable shape, which is measured in the Jain texts by means of a unit called Rajlok, which is supposed to be very large. This unit of measurement is the distance covered by a god flying at ten million miles per second for six months. (Approximately 57 light years.) Jainism postulates that the universe is fourteen Rajloks high and extends seven Rajloks from north to south. Its breadth is seven Rajloks long at the bottom and decreases gradually towards the middle, where it is one Rajlok long. The width then increases gradually until it is five Rajloks long and again decreases until it is one Rajlok long. The apex of the universe is one Rajlok long, one Rajlok wide and eight Rajloks high. The total space of the world is thus 343 cubic Rajloks. The Svetambara view differs slightly and postulates that there is a constant increase and decrease in the breadth, and the space is 239 cubic Rajlok. Apart from the apex, which is the abode of liberated beings, the universe is divided into three parts. The world is surrounded by three atmospheres: dense-water, dense-wind and thin-wind. It is then surrounded by an infinitely large non-world which is completely empty. The whole world is said to be filled with living beings. In all three parts, there is the existence of very small living beings called nigoda. Nigoda are of two types: nitya-nigoda and Itara-nigoda. Nitya-nigoda are those which will reincarnate as nigoda throughout eternity, where as Itara-nigoda will be reborn as other beings. The mobile region of universe (Trasnaadi) is one Rajlok wide, one Rajlok broad and fourteen Rajloks high. Within this region, there are animals and plants everywhere, where as human beings are restricted to 2 continents of the middle world. The beings inhabiting the lower world are called Narak (Hellish beings). The Deva (roughly demi-gods) live in the whole of the top and middle worlds, and top three realms of the lower world. Living beings are divided in fourteen classes (Jivasthana) : Fine beings with one sense, crude beings with one sense, beings with two senses, beings with three senses, beings with four senses, beings with five senses and no mind, and beings with five senses and a mind. These can be under-developed or developed, a total of 14. Human beings can get any form of existence, but can only attain salvation in a human form.
Three lokas
The early Jains contemplated the nature of the earth and universe. They developed a detailed hypothesis on the various aspects of astronomy and cosmology. According to the Jain texts, the universe is divided into 3 parts:
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