2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/178845We reconsider the meaning of observing CP violation in neutrino oscillation.Talk given at the NUFACT'00: International Workshop on Muon Storage Ring for a Neutrino Factory, Monterey, California, 22-26 May 2000. Several typographical errors are correctedHigh Energy Physics - Phenomenologytext