2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77193A necessary and sufficient condition for an element of an algebra (in the sense of Universal Algebra) to be in the dominion of a subalgebra is given, in terms of transferable sets. This criterion is then used to formulate a more wieldy sufficient condition. Finally, some connections to a purely combinatorial setting are outlined.Plain TeX, 15 pp. (Universal Algebra)Rings and AlgebrasCombinatorics08B25text