%0 Journal Article %T Recursi¨®n, inducci¨®n y ¨®rdenes bien fundados %A PARRA-LONDO£¿OA %A CARLOS %A MEJ¨ªA-GUZM¨¢N %A DIEGO %J Revista Integraci¨®n %D 2011 %I Universidad Industrial de Santander %X abstract. based on the characterization of the set of natural numbers by the recursion property, developed in [2], we prove in a general setting that the properties of recursion, induction and well-foundedness are equivalent for a given set. this result is extended to classes and is used to give another proof of the characterization of the set of natural numbers by recursion. %K recursion %K induction %K well-founded order. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-419X2011000200004&lng=en&nrm=iso&tlng=en