Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRegular Relations and Normality of Topologies.AuthorsXiao-Quan Xu; Mao-Kang LuoAbstractA characterization of the normality of a topological space and a new proof of the Urysohn's lemma are given by the regularity of the inclusion relation between closed and open sets.SubjectsTOPOLOGICAL spaces; DISTRIBUTIVE lattices; TOPOLOGY; DISTRIBUTIVE law (Mathematics); SET theoryPublicationSemigroup Forum, 2006, Vol 72, Issue 3, p477ISSN0037-1912Publication typeArticleDOI10.1007/s00233-004-0179-0