%0 Journal Article %T HERRAMIENTA DE RACIONALIDAD: UN AN¨¢LISIS CR¨ªTICO DE SU APLICACI¨®N EN LA JURISPRUDENCIA DEL TRIBUNAL CONSTITUCIONAL CHILENO %A Z¨²£¿iga Anazco %A Yanira %J Ius et Praxis %D 2010 %I Scientific Electronic Library Online %R 10.4067/S0718-00122010000200009 %X this paper proposes that the modern rationality depends on the diferents rationalities that compose the rule of law and the liberal conception of the humans rights. the principle of proportionality is a reflection of the balances required by this conception and it is an interesting theoretical proposal. however, the principle of proportionality presents some problems at the present time and therefore it's not possible to consider it as a real test of rationality. %K rationality %K humans rights %K principle of proportionality. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0718-00122010000200009&lng=en&nrm=iso&tlng=en