prover9-mace4 software package provides GUI for Prover9 and Mace4, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install prover9-mace4
prover9-mace4 is installed in your system.
Make ensure the prover9-mace4 package were installed using the commands given below,
$ sudo dpkg-query -l | grep prover9-mace4 *
You will get with prover9-mace4 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | prover9-mace4 |
| Version | 0.5.dfsg-2.1 |
| Description | GUI for Prover9 and Mace4 |
| Sub Section | math |