2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55715A simple argument against the existence of magnetic monopoles is given. The argument is an important part of the quantum theory of the electric charge developed by the author.Latex file. Published in "Quantum Coherence and Reality", Yakir Aharonov Festschrift, Columbia, S.C., 1992. Edited by Jeeva S. Anandan and John L. Safko, World Scientific, Singapore, 1994 pp. 90-94High Energy Physics - Theorytext