Debate (munazara) and its rules

In the lexicon munazara is likeness or looking with insight. In law it is an exchange of words between two people, each aiming to establish his own view and overturn the other's, so that the truth appears. ¹

Jidal is silencing an opponent by what diverts from the truth; munaqasha is searching; mukabara is contesting what one knows to be false; mu'anada is contesting in ignorance; muhawara is answering back. Debaters aim at the truth, while disputants may aim at their own claim. ^{2 3}

Debate is permitted by the Qur'an and the Sunna. Examples in the Qur'an are the dispute of Abraham with the one who argued with him about his Lord, and the debate of Moses with Pharaoh; the Sunna records the Prophet ﷺ's debate with a man who asked leave to commit fornication. ^{3 4}

Debate is obligatory, as an individual duty when only one qualified scholar is present, or a collective duty when several can debate, to uphold the truth and clear confusions; it is recommended to confirm the truth and with non-Muslims who may be won over; and it is forbidden when it aims to suppress the truth, to overpower a Muslim, to show off learning, or to gain wealth or status. ^{5 6}

The objection to an argument is answered by asking for clarification; if its premises are sound the debate ends; a flaw in a premise is met with a request for proof; a general flaw is either a counter-example (naqd) or a counter-argument (mu'arada). Every debate is one of three moves: denial (man'), counter-example, or counter-argument. ⁶

The debater avoids both brevity that confuses and length that wearies, strange or ambiguous words, interrupting before understanding, laughter and raised voices, debating with one he must revere, and treating his opponent with contempt. ^{6 7}

By means: spoken, as the debate of Malik and Abu Yusuf before Harun al-Rashid, or written, as the letters of Malik and al-Layth ibn Sa'd. By subject: juridical, as the debate between al-Shafi'i and Ahmad on one who abandons prayer, and others. ^{7 8 9}

The aim is to reach the truth. A debate ends either when the one who gives the reason cannot answer the objection, called silencing (ifham), or when the questioner cannot object further to the answer, called binding (ilzam). ^{9 10}