@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0007317>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007623> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0007691> ;
  skos:prefLabel "Category theory"@en, "نظریه فهرست"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0007623>
  skos:prefLabel "Set theory"@en, "نظریه مجموعه‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0007317> .

<http://www.irandoc.acir/onto/irandoc/insp0007691>
  skos:prefLabel "Mathematics"@en, "ریاضی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0007317> .