@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:-CVDPQB0Q-M
  skos:prefLabel "natural numbers"@en, "entier naturel"@fr ;
  a skos:Concept ;
  skos:narrower psr:-Z9M6W161-M .

psr:-FM1M1PDT-5
  skos:prefLabel "suite d'entiers"@fr, "integer sequence"@en ;
  a skos:Concept ;
  skos:narrower psr:-Z9M6W161-M .

psr:-Z9M6W161-M
  skos:definition """En arithmétique, un entier strictement positif n est dit pratique ou panarithmique si tout entier compris entre 1 et n est somme de certains diviseurs (distincts) de n. Par exemple, 8 est pratique. En effet, il a pour diviseurs 1, 2, 4 et 8, or 3 = 2 + 1, 5 = 4 + 1, 6 = 4 + 2 et 7 = 4 + 2 + 1. 
<br/>(Wikipedia, L'Encylopédie Libre, <a href="https://fr.wikipedia.org/wiki/Nombre_pratique">https://fr.wikipedia.org/wiki/Nombre_pratique</a>)"""@fr, """In number theory, a practical number or panarithmic number is a positive integer n n such that all smaller positive integers can be represented as sums of distinct divisors of n n. For example, 12 is a practical number because all the numbers from 1 to 11 can be expressed as sums of its divisors 1, 2, 3, 4, and 6: as well as these divisors themselves, we have 5 = 3 + 2, 7 = 6 + 1, 8 = 6 + 2, 9 = 6 + 3, 10 = 6 + 3 + 1, and 11 = 6 + 3 + 2. 
<br/>(Wikipedia, The Free Encyclopedia, <a href="https://en.wikipedia.org/wiki/Practical_number">https://en.wikipedia.org/wiki/Practical_number</a>)"""@en ;
  skos:inScheme psr: ;
  dc:modified "2024-10-18"^^xsd:date ;
  skos:altLabel "panarithmic number"@en, "nombre panarithmique"@fr ;
  skos:exactMatch <https://fr.wikipedia.org/wiki/Nombre_pratique>, <https://en.wikipedia.org/wiki/Practical_number> ;
  skos:broader psr:-FM1M1PDT-5, psr:-CVDPQB0Q-M ;
  skos:prefLabel "practical number"@en, "nombre pratique"@fr ;
  dc:created "2023-07-26"^^xsd:date ;
  a skos:Concept .