Examples of rules include the Geneva Conventions (covering the treatment of people in war), medieval chivalry, the Marquess of Queensberry rules (covering boxing) and several forms of combat sports.
Exemplos de regras inclúen os Convenios de Xenebra (que abarcan o tratamento dos soldados na guerra), a cabalaría medieval, as normas do Marqués de Queensberry (que cobren o boxeo) e varias formas de deportes de combate.