@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/mathpro2592>
  skos:prefLabel "هویت"@fa, "identity"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2350> .

<http://www.irandoc.acir/onto/irandoc/mathpro3431>
  skos:prefLabel "گروه لی"@fa, "گروه دروغ"@fa, "lie group"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1335>
  skos:prefLabel "نظریه معادلات دیفرانسیل"@fa, "theory of differential equations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://rdf-vocabulary.ddialliance.org/xkos#label> rdfs:label "برچسب"@fa, "label"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#is_defined_by> rdfs:label "تعریف شده توسط"@fa, "is defined by"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro2350>
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro3431> ;
  ns0:is_defined_by <http://www.irandoc.acir/onto/irandoc/mathpro1335> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro2592> ;
  skos:prefLabel "تجزیه لوی-مالزف"@fa, "levi-malzev decomposition"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro2350> .