## 2 GNU Prolog License Conditions

GNU Prolog is free software. Since version 1.4.0, GNU Prolog distributed under a dual license: LGPL or GPL. So, you can redistribute it and/or modify it under the terms of either:

  – the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
  or
  – the GNU General Public License (GPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
  or both in parallel (as here).

GNU Prolog is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received copies of the GNU General Public License and the GNU Lesser General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Remark: versions of GNU Prolog prior to 1.4.0 were entirely released under the GNU General Public License (GPL).

Copyright (C) 1999-2021 Daniel Diaz Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved. More about the copyright