.. 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)