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

<http://www.irandoc.acir/onto/irandoc/1525>
  skos:prefLabel "اصل همکاری"@fa, "cooperative principle"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/1521> .

<http://www.irandoc.acir/onto/irandoc/1521>
  skos:broader <http://www.irandoc.acir/onto/irandoc/1525> ;
  skos:prefLabel "اصل ارتباط"@fa, "relevance maxim"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .