@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:t2-6.13>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-6.13" ;
  skosxl:prefLabel "difference of sets"@en ;
  skosxl:altLabel "A \\\\ B"@en ;
  skos:definition "difference of stem:[A] and stem:[B], +\nstem:[A] minus stem:[B]\n"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-6> ;
  skos:note "The set of elements which belong to stem:[A] but not to stem:[B].\n\nstem:[A \\\\ B = {x &#x2223; x in A ^^ x !in B}]\n\nThe notation stem:[A - B] should not be used.\n\nstem:[C_A B] is also used. stem:[C_A B] is mainly used when stem:[B] is a subset of stem:[A], and the symbol stem:[A] may be omitted if it is clear from the context which set stem:[A] is considered.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-6.13> .