2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/90445An abstract treatment of Bell inequalities is proposed, in which the parameters characterizing Bell's observable can be times rather than directions. The violation of a Bell inequality might then be taken to mean that a property of a system can be changed by the timing of a distant measurement, which could take place in the future.8 pagesQuantum Physicstext