Udayana

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Udayana also known as Udayanācārya (Udyanacharya, or Master Udayana) was a very important Hindu logician of the tenth century who attempted to reconcile the views held by the two major schools of logic (Nyaya and Vaisheshika). This became the root of the Navya-Nyāya school of the thirteenth century, established by Gangesha Upadhyaya ("New Nyāya") school of "right" reasoning, which is still recognized and followed in some regions of India. He lived in Kariyan village in Mithila, near present-day Darbhanga, Bihar state, India.

Udayana wrote a sub-gloss on Vachaspati's work called the Nyaya-vaartika-taatparya-tiikaa-parishuddhi. He wrote several other works such as the Kusumanjali, Atma-tattva-viveka, Kiranaavali and Nyaya-parishishhta (also called Bodha siddhi or Bodha shuddhi).

He it is to whom credit is given by Naiyâyikas for having demolished in final fashion the claims of the Buddhist logicians. All his works, or at least all of which we know, have been preserved, which attests to the respect in which he was held from the beginning.

Philosophy[edit]

Two schools of thought for logical proof for the existence of God in Hindu philosophy, the old Nyaya system was concerned with the critical examination of the objects of knowledge by means of logical proof, while the earlier Vaiseshika system dealt with particulars—objects that can be thought of and named. Udayana assumed, with the Vaiseshika, that the world was formed by atoms, from which physical bodies also derived. But he was equally concerned with the mind and its right apprehension of objects in nature. His vigorous thinking was set forth in the Nyāya-Kusumānjali and the Bauddhadhikkāra, the latter an attack on the atheistic thesis of Buddhism. Living in a period of lively controversy with the Buddhists, Udayana defended his belief in a personal God by resorting to the two natures of the world: cause and effect. The presence of the world is an effect that cannot be explained by the activity of atoms alone. A supreme being had to cause the effect and regulate the activity of the atoms; hence, according to Udayana, God exists. In a debate with Buddhists in India he was the final victor. After him no Buddhist philosopher undertook again a debate with Nyāya. Thus the nine-centuries long debate ended.

Nyayakusumanjali and the existence of God[edit]

Udyan tried to prove the existence of God on the basis of inference. They made this question a challenge to their own existence.Udayana's Nyayakusumanjali gave the following nine arguments to prove the existence of creative God

1) Kāryāt (lit. "from effect"): An effect is produced by a cause, and similarly,the universe must also have a cause. Causes (according to Naiyayikas) are of three kinds:

  • Samavayi (in case of the universe, the atoms),
  • Asamavayi (the association of atoms)
  • and Nimitta (which is Ishvara).

The active cause of the world must have an absolute knowledge of all the material of creation, and hence it must be God. Hence from the creation, the existence of the Creator is proved.

2) Āyojanāt (lit., from combination): Atoms are inactive and properties are unphysical. So it must be God who creates the world with his will by causing the atoms to join. Self-combination of inanimate and lifeless things is not possible, otherwise atoms would only combine at random, creating chaos. There is to be seen the hand of a wise organizer behind the systematic grouping of the ultimate atoms into dyads and molecules. That final organizer is God.

3) Dhŗtyādéḥ(lit., from support): Just as a material thing falls off without a support, similarly, God is the supporter and bearer of this world, without which the world would not have remained integrated. This universe is hence superintended within God, which proves his existence.

4) Padāt (lit., from word): Every word has the capability to represent a certain object. It is the will of God that a thing should be represented by a certain word. Similarly, no knowledge can come to us of the different things here unless there is a source of this knowledge. The origin of all knowledge should be omniscient and, consequently, omnipotent. Such a being is not to be seen in this universe, and so it must be outside it. This being is God.

5) Pratyayataḥ (lit, from faith): the Hindu holy scriptures, the Vedas, are regarded as the source of eternal knowledge. Their knowledge is free from fallacies and are widely believed as a source of proof. Their authors cannot be human beings because human knowledge is limited. They cannot obtain knowledge of past, present, and future, and in depth knowledge of mind. Hence, only God can be the creator of the Vedas. Hence, his existence is proved from his being the author of the Vedas,which he revealed to various sages over a period of time.

6) Shrutéḥ (lit., from scriptures): The Shrutis, e.g., the Vedas extol God and talk about his existence. "He is the lord of all subjects, omniscient, and knower of one's internal feelings; He is the creator, cause and destroyer of the world", say the Shrutis. The Shrutis are regarded as a source of proofs by Naiyanikas. Hence, the existence of God is proved.

7) Vākyāt (lit., from precepts): World is governed by moral laws that are objective and universal. These are again manifested by Shrutis. Hence there exists God, the promulgator of these laws.

8) Samkhyāviśeşāt (lit., from the speciality of numbers):According to the Nyaya, the magnitude of a dyad is produced by the number of two atoms. The number "one" is directly perceived but other numbers are created by perceptions, which is related to the mind of the perceiver. Since at the time of creation, souls, atoms, Adŗşţa (Unseen Power), space, timeand minds are all unconscious, hence it depends on divine consciousness. So God must exist.

9) Adŗşţāt (lit., from the unforeseen): Everybody reaps the fruits of his own actions. Merits and demerits accrue from his own actions and the stock of merit and demerit is known as Adŗşţa, the Unseen Power. But since this unseen power is unintelligent, it needs the guidance from a supremely intelligent god.

References[edit]