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

<http://www.irandoc.acir/onto/irandoc/insp0002954>
  skos:prefLabel "General relativity"@en, "نسبیت عام"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000418> .

<http://www.irandoc.acir/onto/irandoc/insp0007370>
  skos:prefLabel "Field equation"@en, "معادله پایکار"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp000418> .

<http://www.irandoc.acir/onto/irandoc/insp000431>
  skos:prefLabel "Unified field theory"@en, "نظریه میدان وحدت"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp000418> .

<http://www.irandoc.acir/onto/irandoc/insp0010327>
  skos:prefLabel "Gravitation"@en, "گرانش"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000418> .

<http://www.irandoc.acir/onto/irandoc/insp0011995>
  skos:prefLabel "Electromagnetism"@en, "الکترومغناطیس"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp000418> .

<http://www.irandoc.acir/onto/irandoc/insp000418>
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0010327>, <http://www.irandoc.acir/onto/irandoc/insp0002954>, <http://www.irandoc.acir/onto/irandoc/insp0011995> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp000431>, <http://www.irandoc.acir/onto/irandoc/insp0007370> ;
  skos:prefLabel "Einstein-maxwell equation"@en, "معادله اینشتین-ماکسول"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .