@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:t2-5.5>
  a isq:Entry ;
  rdf:type isq:MathConcept ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "2-5.5" ;
  skosxl:prefLabel "equivalent"@en ;
  skosxl:altLabel "p <=> q"@en ;
  skos:definition "stem:[p] is equivalent to stem:[q]"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-2-5> ;
  skos:note "stem:[(p => q) ^^ (q => p)] has the same meaning as stem:[p <=> q].\n\nstem:[<=>] is the equivalence symbol.\n\nstem:[harr] is also used as equivalence symbol.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-2:ed-2:en:item:2-5.5> .