..
   This file is part of Logtalk <https://logtalk.org/>  
   Copyright 1998-2019 Paulo Moura <pmoura@logtalk.org>

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.


.. _entity_relation_predicates:

Objects, categories, and protocols relations
============================================

.. toctree::
   :maxdepth: 1

   extends_object_2_3
   extends_protocol_2_3
   extends_category_2_3
   implements_protocol_2_3
   conforms_to_protocol_2_3
   complements_object_2
   imports_category_2_3
   instantiates_class_2_3
   specializes_class_2_3
