2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150418We construct a well ordered symbolic dynamics plane for the stadium billiard. In this symbolic plane the forbidden and the allowed orbits are separated by a monotone pruning front, and allowed orbits can be systematically generated by sequences of approximate finite grammars.CYCLER Paper 93Jan004Chaotic DynamicsSymbolic dynamics II. The stadium billiardtext