2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93948The original version of Einstein-Podolsky-Rosen (EPR) paradox is discussed to show the completeness of Quantum Mechanics (QM). The unique solution leads to the wave function of antiparticle unambiguously, which implies the essential conformity between QM and Special Relativity (SR).4 pages, no figure, RevtexQuantum PhysicsEinstein-Podolsky-Rosen Paradox and Antiparticletext