@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/mathpro997>
  skos:prefLabel "معادله دیفرانسیل خطی"@fa, "linear differential equation"@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://rdf-vocabulary.ddialliance.org/xkos#contains> rdfs:label "شامل"@fa, "contains"@en .
<http://www.irandoc.acir/onto/irandoc/mathpro2841>
  skos:prefLabel "روش تحلیل"@fa, "method of analysis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro2855> .

<http://www.irandoc.acir/onto/irandoc/mathpro2855>
  ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro997> ;
  ns0:is_defined_by <http://www.irandoc.acir/onto/irandoc/mathpro1446> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro2841> ;
  skos:prefLabel "روش پارامتری"@fa, "parametric method"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1446>
  skos:prefLabel "نظریه توابع یک متغیر مختلط"@fa, "theory of functions of a complex variable"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .