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

<http://www.irandoc.acir/onto/irandoc/mathpro1876>
  skos:prefLabel "عنصر معادلات دیفرانسیل"@fa, "element of differential equations"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1043>
  skos:prefLabel "شرط"@fa, "وضعیت"@fa, "condition"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/mathpro1070>
  skos:broader <http://www.irandoc.acir/onto/irandoc/mathpro1043>, <http://www.irandoc.acir/onto/irandoc/mathpro1876> ;
  skos:prefLabel "شرایط اولیه متغیر"@fa, "variable initial condition"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .