EntityQ2208651· pop 5· linked from 30 articlestransversalSign in to saveset containing exactly one element from each member of a family of setsConnectionsequivalence classEntitymathematicsEntitycomputer scienceEntityInternational Standard Book NumberEntityset theoryEntitysetEntitydigital object identifierEntityInternational Standard Serial NumberEntitycombinatoricsEntitygroup theoryEntitybijectionEntityequivalence relationEntitydomain of a functionEntitycategory theoryEntityaxiom of choiceEntityimageEntitysubgroupEntitypartition of a setEntityinverse elementEntitycodomainEntityCategoriesCombinatoricsFamilies of setsGroup theory