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

<http://www.irandoc.acir/onto/irandoc/NEMA0008297>
  skos:prefLabel "مبانی ریاضیات"@fa, "foundations of mathematics"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008296> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008296>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008315> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008297> ;
  skos:prefLabel "فرمول‌های ریاضی"@fa, "mathematical formulas"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008315>
  skos:prefLabel "عبارت‌های منطقی"@fa, "logical expressions"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008296> .