@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:t2-6.8>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-6.8" ;
  skosxl:prefLabel "proper subset"@en ;
  skosxl:altLabel "B sub A"@en ;
  skos:definition "stem:[B] is properly included in stem:[A], +\nstem:[B] is a proper subset of stem:[A]\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-6> ;
  skos:note "Every element of stem:[B] belongs to stem:[A], but at least one element of stem:[A] does not belong to stem:[B].\n\nIf stem:[sub] is used for <<t2-6.7>>, then &#x228A; shall be used for <<t2-6.8>>.\n\nstem:[A sup B] has the same meaning as stem:[B sub A].\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-6.8> .