Logical Analysis of Law and Postpositivism – A Dialogue from the Theories of Alchourron/Bulygin and Atienza/Manero

For Carlos Alchourron and EugenioBulygin, a judicial sentence is justifiableaccording to law only if it contains a logicalsequence of rules and the description of a case.Manuel Atienza and Juan Ruiz Manero deny theapplication of this theory to the legal reasoning.They assert that a different conceptualapparatus is needed that understands law as anactivity where society participates and the juristhas the function of deploying it. This articleexamines and confronts the main theses of theauthors mentioned, emphasizing characters thatshould not be ignored when a judicial decisionis justified