You are installing the RESEARCH version (LEDA-R) of LEDA that can be used free of charge for academic research and teaching. FOR ANY COMMERCIAL USE OF THIS SOFTWARE A LICENSE IS REQUIRED. ANY KIND OF USE BY A COMPANY OR OTHER NON-ACADEMIC INSTITUTION IS CONSIDERED TO BE COMMERCIAL USE. YOU ARE BREAKING A LAW WHEN USING LEDA COMMERCIALLY WITHOUT OWNING A LICENSE. These terms are valid for all LEDA versions following version 3.0 For more information about the license terms please contact LEDA Software GmbH Postfach 151101 66041 Saarbruecken Germany email:leda@mpi-sb.mpg.de fax: +49 681 842502 You are allowed to continue with the installation of LEDA only if you are owner of a valid license or if you intend to use LEDA for academic research or teaching. Otherwise, you must stop the installation now.