2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78451The Open Colouring Axiom implies that the measure algebra cannot be embedded into P(N)/fin. We also discuss the errors in previous results on the embeddability of the measure algebra.10 pages 2000/01/24: final version, 11 pagesLogicGeneral Topology06E99, 28A60, 03E35, 54G05text