@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:-V516SJ3T-N
  skos:related psr:-RX61SX55-G, psr:-SW4ZJNWQ-P ;
  skos:prefLabel "conjugué isogonal"@fr, "isogonal conjugate"@en ;
  skos:exactMatch <https://en.wikipedia.org/wiki/Isogonal_conjugate>, <https://fr.wikipedia.org/wiki/Conjugu%C3%A9_isogonal> ;
  dc:modified "2023-08-10"^^xsd:date ;
  skos:broader psr:-PX7GDTC2-7 ;
  dc:created "2023-08-10"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:definition """En géométrie, le conjugué isogonal d'un point dans un triangle est le point où concourent les droites symétriques, par rapport aux bissectrices, des droites passant par chaque sommet et ce point. 
<br/>(Wikipedia, L'Encylopédie Libre, <a href="https://fr.wikipedia.org/wiki/Conjugu%C3%A9_isogonal">https://fr.wikipedia.org/wiki/Conjugu%C3%A9_isogonal</a>)"""@fr, """In geometry, the <b>isogonal conjugate</b> of a point <span class="texhtml mvar" style="font-style:italic;">P</span> with respect to a triangle <span class="texhtml">△<i>ABC</i></span> is constructed by reflecting the lines <span class="texhtml mvar" style="font-style:italic;">PA, PB, PC</span> about the angle bisectors of <span class="texhtml mvar" style="font-style:italic;">A, B, C</span> respectively. These three reflected lines concur at the isogonal conjugate of <span class="texhtml mvar" style="font-style:italic;">P</span>. (This definition applies only to points not on a sideline of triangle <span class="texhtml">△<i>ABC</i></span>.) This is a direct result of the trigonometric form of Ceva's theorem.
<br/>(Wikipedia, The Free Encyclopedia, <a href="https://en.wikipedia.org/wiki/Isogonal_conjugate">https://en.wikipedia.org/wiki/Isogonal_conjugate</a>)"""@en .

psr:-SW4ZJNWQ-P
  skos:prefLabel "triangle podaire"@fr, "pedal triangle"@en ;
  a skos:Concept ;
  skos:related psr:-V516SJ3T-N .

psr:-RX61SX55-G
  skos:prefLabel "triangle"@fr, "triangle"@en ;
  a skos:Concept ;
  skos:related psr:-V516SJ3T-N .

psr:-PX7GDTC2-7
  skos:prefLabel "point"@fr, "point"@en ;
  a skos:Concept ;
  skos:narrower psr:-V516SJ3T-N .

