2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89207We show that the notion of "levels of Reality" introduced by Werner Heisenberg in his "Manuscript of 1942" (1984) and by myself (1983-1985) could explain the quantum indeterminacy. General epistemological implications of this notion are also studied.18 pagesQuantum PhysicsHistory and Philosophy of Physicstext