@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:-C5QQH5D7-0
  skos:prefLabel "théorème de Steiner-Lehmus"@fr, "Steiner-Lehmus theorem"@en ;
  dc:created "2023-08-17"^^xsd:date ;
  skos:exactMatch <https://en.wikipedia.org/wiki/Steiner%E2%80%93Lehmus_theorem>, <https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Steiner-Lehmus> ;
  skos:related psr:-XXN7RRSV-P ;
  a skos:Concept ;
  skos:definition """En mathématiques, le théorème de Steiner-Lehmus est un résultat de géométrie du triangle. Soit un triangle ABC. Soient D et E les pieds des bissectrices issues de B et A. On a alors AE = BD si et seulement si ABC est isocèle. 
<br/>(Wikipedia, L'Encylopédie Libre, <a href="https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Steiner-Lehmus">https://fr.wikipedia.org/wiki/Th%C3%A9or%C3%A8me_de_Steiner-Lehmus</a>)"""@fr, """The Steiner–Lehmus theorem, a theorem in elementary geometry, was formulated by C. L. Lehmus and subsequently proved by Jakob Steiner. It states : every triangle with two angle bisectors of equal lengths is isosceles. 
<br/>(Wikipedia, The Free Encyclopedia, <a href="https://en.wikipedia.org/wiki/Steiner%E2%80%93Lehmus_theorem">https://en.wikipedia.org/wiki/Steiner%E2%80%93Lehmus_theorem</a>)"""@en ;
  dc:modified "2023-08-24"^^xsd:date ;
  skos:inScheme psr: ;
  skos:broader psr:-GKWK9C3G-P .

psr:-GKWK9C3G-P
  skos:prefLabel "géométrie euclidienne"@fr, "Euclidean geometry"@en ;
  a skos:Concept ;
  skos:narrower psr:-C5QQH5D7-0 .

psr:-XXN7RRSV-P
  skos:prefLabel "isosceles triangle"@en, "triangle isocèle"@fr ;
  a skos:Concept ;
  skos:related psr:-C5QQH5D7-0 .