@prefix psr: <http://data.loterre.fr/ark:/67375/PSR> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

psr: a skos:ConceptScheme .
psr:-PD3N9LFZ-B
  skos:related psr:-QPV3DS04-0 ;
  dc:created "2023-09-21"^^xsd:date ;
  dc:modified "2023-09-21"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-LK8XNN3X-R ;
  skos:prefLabel "Carlyle circle"@en, "cercle de Carlyle"@fr .

psr:-QPV3DS04-0
  skos:prefLabel "polygone régulier"@fr, "regular polygon"@en ;
  a skos:Concept ;
  skos:related psr:-PD3N9LFZ-B .

psr:-LK8XNN3X-R
  skos:prefLabel "équation du second degré"@fr, "quadratic equation"@en ;
  a skos:Concept ;
  skos:narrower psr:-PD3N9LFZ-B .