@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .

<http://www.irandoc.acir/onto/irandoc/mathpro3265>
  skos:prefLabel "تحلیل"@fa, "analysis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://rdf-vocabulary.ddialliance.org/xkos#is_defined_by> rdfs:label "تعریف شده توسط"@fa, "is defined by"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro277>
  skos:prefLabel "عملگر نظریه معادلات دیفرانسیل"@fa, "operator of theory of differential equations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro297> .

<http://www.irandoc.acir/onto/irandoc/mathpro255>
  skos:prefLabel "عملگر"@fa, "اپراتور"@fa, "operator"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro297> .

<http://www.irandoc.acir/onto/irandoc/mathpro297>
  ns0:is_defined_by <http://www.irandoc.acir/onto/irandoc/mathpro3265> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro277>, <http://www.irandoc.acir/onto/irandoc/mathpro255> ;
  skos:prefLabel "عملگر مشتق‌گیری"@fa, "operator of differentiation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .