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

<http://www.irandoc.acir/onto/irandoc/mathpro1008>
  skos:broader <http://www.irandoc.acir/onto/irandoc/math0005498>, <http://www.irandoc.acir/onto/irandoc/mathpro1007> ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  skos:prefLabel "معادله درجه‌ دوم"@fa, "quadratic equation"@en, "معادله درجه دوم"@fa ;
  skos:related <http://www.irandoc.acir/onto/irandoc/math0008032>, <http://www.irandoc.acir/onto/irandoc/math0001556>, <http://www.irandoc.acir/onto/irandoc/math0005115> ;
  ns0:label <http://www.irandoc.acir/onto/irandoc/mathpro1008> ;
  skos:scopeNote "هر معادله چندجمله ای درجه دوم."@fa .

<http://www.irandoc.acir/onto/irandoc/math0005115>
  skos:prefLabel "مبین"@fa, "discriminant"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

ns0:label rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/math0001556>
  skos:prefLabel "فرمول اصم هالی"@fa, "halley irrational formula"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1007>
  skos:prefLabel "معادله جبر"@fa, "algebra equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/mathpro1008> .

<http://www.irandoc.acir/onto/irandoc/math0005498>
  skos:prefLabel "معادله چندجمله‌ای"@fa, "polynomial equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/math0008032>
  skos:prefLabel "معادله دیوفانتی"@fa, "diophantine equation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .