= UA: Universal Algebra spkg = == Description == The UA.spkg is a Sage package that contains several software components useful for calculations in Universal Algebra Prover9 is an automated theorem prover for first-order and equational logic, and Mace4 searches for finite models and counterexamples. The LADR libraries contain several commandline programs useful for translating input/output into other formats, and for removing isomorphic copies from a list of models. See http://prover9.org The Universal Algebra Calculator (R. Freese, E. Kiss, M. Valeriote) is an interactive Java program for analyzing a finite algebra. In this spkg it is used noninteractively. See http://uacalc.org == License == Prover9, Mace4, related programs, and the LADR libraries (with which they were all constructed) are distributed under the terms of the GNU General Public License (v2). == SPKG Maintainer == Peter Jipsen == Upstream Contact == William McCune Research Professor (guest appointment) Computer Science Department School of Engineering University of New Mexico http://www.cs.unm.edu/~mccune/ == Dependencies == == Changelog == * 2008-07-30: Initial version. * 2011-03-25: Expanded version, including UA Calculator.