Cook proved that Rule 110 was universal (or Turing complete) by showing it was possible to use the rule to emulate another computational model, the cyclic tag system, which is known to be universal.
Korea under Japanese rule | Ja Rule | Embraer EMB 110 Bandeirante | 110 metres hurdles | away goals rule | 110 in the Shade | Messerschmitt Bf 110 | Cloistered rule | Ten Minute Rule | Taiwan under Japanese rule | Ann Rule | Star Wars: Darth Bane: Rule of Two | The Rule of Four | Rule Britannia | Rule 5 draft | mob rule | Interstate 110 | Home Rule League | Golden Rule | Forced labour under German rule during World War II | District of Columbia home rule | William Harris Rule | Rule of St. Augustine | Let Love Rule | Hückel's rule | Designated Player Rule | Berger BX-110 | Year and a day rule | Wizard's First Rule | When Women Rule the World |