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

<http://www.irandoc.acir/onto/irandoc/NEMA0007510>
  skos:prefLabel "حساب دیفرانسیل"@fa, "differential calculus"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007509> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007949>
  skos:prefLabel "تحلیل عددی"@fa, "numerical analysis"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007509> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007509>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0007510>, <http://www.irandoc.acir/onto/irandoc/NEMA0007949> ;
  skos:prefLabel "مشتق‌گیری عددی"@fa, "numerical differentiation"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .