EntityQ859275· pop 8· linked from 18 articlescountably compact spaceSign in to savetopological space in which from every countable open cover of the space, a finite cover can be extractedConnectionslimit pointEntityfirst-countable spaceEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntitytopological spaceEntitycompact spaceEntitySpringer Science+Business MediaEntityHausdorff spaceEntityLindelöf spaceEntitycardinality of the continuumEntitylocally compact spaceEntitymetrizable spaceEntityregular spaceEntityparacompact spaceEntityT1 spaceEntityPrentice HallEntityDover PublicationsEntitysecond-countable spaceEntitysequentially compact spaceEntityCategoriesCompactness (mathematics)Properties of topological spaces