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

<http://www.irandoc.acir/onto/irandoc/mathpro993>
  skos:prefLabel "معادله دیفرانسیل"@fa, "differential equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro995> .

<http://www.irandoc.acir/onto/irandoc/mathpro995>
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro993> ;
  skos:prefLabel "معادله دیفرانسیل از نوع هذلولی"@fa, "differential equation of hyperbolic type"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro2742> ns0:contains <http://www.irandoc.acir/onto/irandoc/mathpro995> .