2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94206For any ideal two-path interferometer it is shown that the wave-particle duality of quantum mechanics implies Heisenberg's uncertainty relation and vice versa. It is conjectured that complementarity and uncertainty are two aspects of the same general principle.3 pages, 2 figuresQuantum Physicstext