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DocumentClassIsDefinedOnDocument
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.. rubric:: Description


The document that contains a definition for a document class
is related to the document class.


.. rubric:: Definition


A definition of a document class (x1) is given on a document (x2).


.. image:: DocumentClassIsDefinedOnDocument.svg


::

    
    DocumentClassIsDefinedOnDocument(x1, x2) <->
        ClassOfInformationObject(x1) &
        ClassOfInformationObject(x2) &
        exists u(
            DocumentDefinition(u) &
            MMT:DefinitionOfClassOfIndividualOnReferredDocument(x1, x2, u)) .
    

.. rubric:: Roles

1. hasDocument

2. hasDocumentClass

.. rubric:: Restrictions

* Role filler of hasDocument must have entity type ClassOfInformationObject.

* Role filler of hasDocumentClass must have entity type ClassOfInformationObject.

* One of:

  * Role filler of hasDocument must be a specialization of Document.

  * Role filler of hasDocument must be used as the role filler of hasThis with respect to the :doc:`../ThisIsADocument/index` pattern.

* One of:

  * Role filler of hasDocumentClass must be classified as DocumentClass.

  * Role filler of hasDocumentClass must be used as the role filler of hasThis with respect to the :doc:`../ThisIsADocumentClass/index` pattern.