2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77771In this paper we extend the properties of ordinary points of curves [10] to ordinary closed points of one-dimensional affine reduced schemes and then to ordinary subvarieties of codimension one.AMS- TeX, 9 pages. to appear in Manuscripta MathematicaAlgebraic Geometrytext