Vāda: The Art of Debate

A king announces a prize of a thousand cows, their horns hung with gold, for the wisest person at his court. One sage tells his student to drive the cows home before anyone has spoken; the others, offended, line up to question him. So begins the third book of the Bṛhadāraṇyaka Upaniṣad, and with it one of the oldest debate records in the world. In India, philosophy was not written in solitude and then published. It was argued — before kings, in monasteries, in commentaries answering commentaries — and the art of arguing well became a śāstra of its own: vāda.

Before the rules: contests in the Upaniṣads

The Vedic hymns already contain brahmodya, ritual riddle-contests between priests. In the Bṛhadāraṇyaka, at King Janaka’s court, Yājñavalkya faces eight questioners in turn. One is a woman, Gārgī Vācaknavī, a brahmavādinī, who presses him about what the world is “woven upon,” layer after layer, until he stops her:

She falls silent — but returns later in the same book with two questions she likens to arrows, and after his answers tells the assembly that none of them will defeat him. The “falling head” is a real threat in this text: Śākalya, who presses too hard, does lose his. Early debate was a high-stakes contest with a prize and a forfeit, and the later śāstra tried to tame it. Read more on The Principal Upanishads and The Rishis.

By Mauryan times critical reasoning, ānvīkṣikī, was counted among a ruler’s sciences (see Arthaśāstra), and the Buddhist Kathāvatthu, traditionally linked to a council under Aśoka, sets out hundreds of disputed points in strict question-and-answer form.

Three kinds of talk

The Nyāya Sūtra (compiled by about the 2nd–3rd century CE) lists sixteen topics a reasoner must master. Most concern debate: doubt, purpose, example, tenet, the five-membered argument, hypothetical reasoning (tarka), conclusion — and then three kinds of discussion. Here is its definition of the best kind:

Compare the three:

Why permit the lower forms at all? The Nyāya Sūtra answers with an image:

Tricks, rejoinders and defeat

The last book of the Nyāya Sūtra is a field guide to bad argument, so that a debater can recognise it — and, in jalpa, use it. Its three families:

• 1छलQuibbleChala twists the speaker’s meaning. The classic case: “This boy has a nava blanket” (new) — “No, he does not have nine (nava) blankets!” Three kinds: verbal, over-generalising and metaphorical.
• 2जातिFutile replyJāti answers a good argument with a bad one that merely looks parallel — for example, objecting that since the kitchen also differs from the hill in some respect, nothing can be inferred. The Nyāya Sūtra lists twenty-four.
• 3निग्रहस्थानPoint of defeatNigrahasthāna: a moment at which a debater loses — contradicting their own thesis, shifting the reason, saying nothing relevant, failing to understand, failing to reply. The Nyāya Sūtra names twenty-two.

The Buddhist logician Dharmakīrti (7th century), in his Vādanyāya, “The Logic of Debate,” cut the twenty-two down to two: you lose if you fail to state a proper proof, or fail to expose a real fault in your opponent’s. Everything else, he argued, is theatre. It is an elegant reform, and the Naiyāyikas answered it.

Rules for physicians

Surprisingly, one of the earliest detailed accounts of debate is in a medical text. The Caraka Saṃhitā (reaching its present form in the early centuries CE), in the eighth chapter of its Vimānasthāna, tells physicians how to discuss with one another. It distinguishes friendly discussion (sandhāya sambhāṣā), which it praises because it sharpens knowledge, from hostile discussion (vigṛhya sambhāṣā), and lists some forty-four technical terms a debater must know. It is frank about tactics: size up your opponent and the assembly, avoid a hostile debate with someone clearly superior, and against a weaker opponent move quickly. The doctors of ancient India argued about cases as their successors do at clinical meetings — and Caraka wanted them to win honestly. See Āyurveda.

The method of the commentaries

Most great debates were not held face to face. They were conducted through texts, and those texts had a standard unit, the adhikaraṇa, “topic.” Mīmāṃsā shaped it, the Brahmasūtra commentaries use it throughout, and every serious śāstra adopted it. Its heart is the pūrvapakṣa, the opposing view, stated so fully that its holders would recognise it, before the siddhānta, the established answer. Practise the method on a question you may have asked yourself. Tap each step:

This guide’s example The five names are traditional; the worked question is ours. Commentators often added a sixth element, saṅgati, explaining why the topic belongs where it does.

A debate to try: is the word eternal?

One question ran through Mīmāṃsā, Nyāya, grammar and Buddhism for a thousand years, because the authority of the Veda hung on it. Choose a side and see its weak point:

The great debates

1. 5th–11th c.Buddhists and NaiyāyikasVātsyāyana defended Nyāya; Dignāga attacked it; Uddyotakara replied; Dharmakīrti answered; Vācaspati Miśra and finally Udayana replied again. Each generation read the last one’s book. See In Dialogue.
2. 8th c.Shankara and MaṇḍanaThe later hagiographies tell of a debate lasting days between Shankara and the ritualist Mīmāṃsaka Maṇḍana Miśra, judged by Maṇḍana’s learned wife Ubhaya Bhāratī, who then debated Shankara herself; the loser was to become the winner’s disciple.
3. 14th c.A hundred refutationsVedānta Deśika’s Śatadūṣaṇī set out a hundred objections to Advaita from the Viśiṣṭādvaita side; sixty-six survive.
4. 16th c.Dvaita and AdvaitaVyāsatīrtha’s Nyāyāmṛta attacked Advaita; Madhusūdana Sarasvatī’s Advaitasiddhi replied; Rāmācārya answered the reply, and Brahmānanda answered him. Appayya Dīkṣita wrote against Madhva; Vijayīndra Tīrtha wrote back.
5. 1869Kāśī śāstrārthaDayānanda Sarasvatī, founder of the Ārya Samāj, debated the pandits of Varanasi on whether the Vedas sanction image worship. Both sides claimed victory.

Hagiography The Shankara–Maṇḍana debate comes from the Śaṅkaradigvijaya literature, written many centuries after Shankara. Its details — the garlands that would wither on the loser, Maṇḍana becoming the monk Sureśvara — are not history; historians debate whether Maṇḍana and Sureśvara were even the same person. What the story does preserve is an ideal: debate as a contest of honour, with a woman as its judge.

Debate in Tamil

Tamil literature stages debates of its own. In the Buddhist epic Maṇimēkalai (perhaps 6th century), the heroine visits the city of Vañci and hears exponents of the rival schools — Vedic, Śaiva, Vaiṣṇava, Ājīvika, Jain, materialist — before learning the Buddhist teaching, including a summary of Buddhist logic. The Jain Nīlakēci, written in reply to a lost Buddhist work, makes a woman its champion debater, travelling to refute one school after another. Śaiva Siddhānta’s great treatise, Aruṇanti’s Civañāṉa Cittiyār, has two parts: Parapakkam, “the other side,” examining rival schools in turn, and Cupakkam, “our side” — the pūrvapakṣa method in Tamil. See Shaiva Siddhanta.

Debate in Tamil country also had a dark side. Hagiography The Periya Purāṇam tells how the child-saint Sambandar defeated the Jains of Madurai, after which the losers were impaled; the story, and what historians make of it, is told on Jaina Philosophy. The ideal Tamil teachers held up is better expressed in the Tirukkuṟaḷ:

Who was in the hall

The formal debate halls of classical India were overwhelmingly male and, for Vedic subjects, upper-caste; those barred from Vedic study were barred from these debates. Gārgī, Ubhaya Bhāratī in the hagiography and the fictional Nīlakēci are remembered because they were exceptions. Today śāstrārtha survives in Sanskrit universities and scholarly assemblies (vidvat sabhā), where women now take part, and Tibetan Buddhist monasteries keep a vigorous, clapping, standing form of debate rooted in Dharmakīrti’s logic.

What vāda offers today

Online, most argument is jalpa at best: arguing to win, scoring points, quoting the opponent’s weakest line. Vāda offers three disciplines. State the other side so well that its holders would sign it — the pūrvapakṣa, what some now call “steelmanning.” Know which kind of talk you are in, and say so. And be willing to lose: in vāda, changing your mind is the prize. Amartya Sen’s The Argumentative Indian made the case that this habit of public reasoning is one of India’s great inheritances. In a plural country like Malaysia, where neighbours of many faiths meet daily, it may be the most useful śāstra of all. This guide’s view

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Sources & further reading

• Ganganatha Jha (trans.), The Nyāya-Sūtras of Gautama, with the Bhāṣya of Vātsyāyana and the Vārttika of Uddyotakara (4 vols, Indian Thought, 1912–19).
• Esther A. Solomon, Indian Dialectics: Methods of Philosophical Discussion, 2 vols (Gujarat Vidya Sabha, 1976–78).
• Bimal Krishna Matilal, The Character of Logic in India (SUNY Press, 1998).
• Jonardon Ganeri, Philosophy in Classical India: The Proper Work of Reason (Routledge, 2001).
• Priyavrat Sharma (trans.), Caraka-Saṃhitā, 4 vols (Chaukhambha Orientalia, 1981–94).
• Patrick Olivelle (trans.), The Early Upaniṣads: Annotated Text and Translation (Oxford University Press, 1998).
• Swami Tapasyananda (trans.), Śaṅkara-Dig-Vijaya: The Traditional Life of Sri Śaṅkarāchārya by Mādhava-Vidyāraṇya (Sri Ramakrishna Math, 1978).
• Alain Daniélou with T. V. Gopala Iyer (trans.), Manimekhalai: The Dancer with the Magic Bowl (New Directions, 1989).
• Amartya Sen, The Argumentative Indian: Writings on Indian History, Culture and Identity (Allen Lane, 2005).