EntityQ1991405· pop 18· linked from 46 articlesnowhere dense setSign in to saveset whose closure has empty interiorConnectionsmeagre setEntityintervalEntityinteriorEntitymathematicsEntityInternational Standard Book NumberEntityintegerEntityreal numberEntitysetEntityempty setEntityLibrary of Congress Control NumberEntityOCLC, Inc.EntityunionEntityfunctional analysisEntitytopological spaceEntitybijectionEntitysurjective functionEntityNicolas BourbakiEntityMineolaEntityCantor setEntitydense setEntityCategoriesGeneral topology