2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44551Symmetry and quantization are the two major enterprises of theoretical physics; but some argue that quantization can be derived as a necessary condition for symmetry. It is argued here that the Heisenberg uncertainty principle is a necessary condition for gauge invariance in the 5-dimensional Kaluza-Klein theory.8 pages, no figuresHigh Energy Physics - Phenomenologytext