@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .

<http://www.irandoc.acir/onto/irandoc/OPB_01598>
  skos:prefLabel "Mathematical constant"@en, "ثابت ریاضی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/OPB_01588> .

<http://rdf-vocabulary.ddialliance.org/xkos#synonym> rdfs:label "مترادف"@fa, "synonym"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#comment> rdfs:label "نظر"@fa, "comment"@en .
<http://rdf-vocabulary.ddialliance.org/xkos#label> rdfs:label "برچسب"@fa, "label"@en .
<http://www.irandoc.acir/onto/irandoc/OPB_01588>
  ns0:Obsolete "false" ;
  skos:prefLabel "ای."@fa, "E"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/OPB_01598> ;
  ns0:synonym "exponential growth constant", "exponential decay constant", "2.71828", "Euler's number" ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:prefixIRI "OPB:OPB_01588" ;
  ns0:comment "A mathematical constant that is the limit of (1 + 1/n)n as n approaches infinity." ;
  ns0:label "e" .

ns0:prefixIRI rdfs:label "پیشوند آی‌آرآی"@fa, "prefixIRI"@en .
ns0:Obsolete rdfs:label "منسوخ"@fa, "Obsolete"@en .