EntityQ4720939· pop 33· linked from 218 articlesclosureSign in to savethe smallest superset of a given set that is closed under a given operationConnectionsfunctionEntitysubsetEntityfieldEntitybinary operationEntitylinear spanEntityclosureEntityZariski topologyEntitygeometryEntityInternational Standard Book NumberEntitynatural numberEntitymathematical analysisEntitylinear algebraEntitysetEntityaxiomEntityprobability theoryEntitygroupEntityvector spaceEntitypolynomialEntitygroup theoryEntityassociativityEntityCategoriesAbstract algebraClosure operatorsSet theory