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

<http://www.irandoc.acir/onto/irandoc/NEMA0008319>
  skos:prefLabel "منطق ریاضی"@fa, "mathematical logic"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008292> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008292>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008291>, <http://www.irandoc.acir/onto/irandoc/NEMA0008289> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008307>, <http://www.irandoc.acir/onto/irandoc/NEMA000783> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008319> ;
  skos:prefLabel "شبکه‌ها (ریاضیات)"@fa, "lattices (mathematics)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA000783>
  skos:prefLabel "نظریه گراف"@fa, "graph theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008292> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008289>
  skos:prefLabel "جبربولی"@fa, "boolean algebra"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008292> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008307>
  skos:prefLabel "نظریه مجموعه‌ها"@fa, "set theory"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008292> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008291>
  skos:prefLabel "مرتب (دنباله)"@fa, "order (sequence)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008292> .