EntityQ2488476· pop 14· linked from 14 articleswell-ordering principleSign in to saveStatement that all sets of positive numbers contains a least elementConnectionsset theoryEntitymathematical inductionEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntityprime numberEntityintegerEntitymathematicianEntitytraditionEntityaxiomEntityPierre de FermatEntitymathematical proofEntitydigital object identifierEntityInternational Standard Serial NumberEntitytheoremEntityempty setEntityparityEntityinequalityEntitysubsetEntityintervalEntityCategoriesMathematical principlesWellfoundedness