@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t2-9.1>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-9.1" ;
  skosxl:prefLabel "straight line"@en ;
  skosxl:altLabel "\"AB\" &#8741; \"CD\""@en ;
  skos:definition "the straight line stem:[\"AB\"] is parallel to the straight line stem:[\"CD\"]"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-9> ;
  skos:note "It is written stem:[\"g\" &#8741; \"h\"] if stem:[\"g\"] and stem:[\"h\"] are the straight lines determined by the points stem:[\"A\"] and stem:[\"B\"], and the points stem:[\"C\"] and stem:[\"D\"], respectively."@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-9.1> .