Otter and MACE Legal Information November 21, 2001. This information refers to the Otter and MACE automated deduction software, created at Argonne National Laboratory. Copyrights The University of Chicago has declined to assert its copyrights in this software. It may be used by the public without restriction and is available by download at www.mcs.anl.gov/AR/otter/. License This material resulted from work developed under a U.S. Government contract and is subject to the following license: the Government is granted for itself and the public a paid-up, nonexclusive, irrevocable worldwide license in this material to reproduce, prepare derivative works, distribute copies to the public, and perform publicly and display publicly. Disclaimer NEITHER THE UNITED STATES GOVERNMENT NOR ANY AGENCY THEREOF, NOR ANY OF THEIR EMPLOYEES OR OFFICERS, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY FOR THE ACCURACY, COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, APPARATUS, PRODUCT, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD NOT INFRINGE PRIVATELY OWNED RIGHTS.