2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77545The aim of this paper is to show that every scattered subset of a dense-in-itself semi-$T_D$-space is nowhere dense. We are thus able to answer a recent question of Coleman in the affirmative. In terms of Digital Topology, we prove that in semi-$T_D$-spaces with no open screen, trace spaces have no consolidations.5 pagesGeneral Topology54G12; 54H05; 68U05; 68U10text