.. index:: single: interval_relation_set
.. _interval_relation_set/0:

.. rst-class:: right

**object**

``interval_relation_set``
=========================

Allen interval relation-set operations using canonical ordered duplicate-free lists of base relation atoms.

| **Availability:** 
|    ``logtalk_load(intervals(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-05-13

| **Compilation flags:**
|    ``static, context_switching_calls``


| **Implements:**
|    ``public`` :ref:`interval_relation_set_protocol <interval_relation_set_protocol/0>`
| **Uses:**
|    :ref:`interval_algebra <interval_algebra/0>`
|    :ref:`list <list/0>`

| **Remarks:**
|    (none)

| **Inherited public predicates:**
|     :ref:`interval_relation_set_protocol/0::compose/3`  :ref:`interval_relation_set_protocol/0::converse/2`  :ref:`interval_relation_set_protocol/0::empty/1`  :ref:`interval_relation_set_protocol/0::intersection/3`  :ref:`interval_relation_set_protocol/0::member/2`  :ref:`interval_relation_set_protocol/0::normalize/2`  :ref:`interval_relation_set_protocol/0::relation_set/1`  :ref:`interval_relation_set_protocol/0::singleton/2`  :ref:`interval_relation_set_protocol/0::subset/2`  :ref:`interval_relation_set_protocol/0::union/3`  :ref:`interval_relation_set_protocol/0::universal/1`  

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

(no local declarations; see entity ancestors if any)

Protected predicates
--------------------

(no local declarations; see entity ancestors if any)

Private predicates
------------------

(no local declarations; see entity ancestors if any)

Operators
---------

(none)