@prefix edm: . @prefix foaf: . @prefix owl: . @prefix ct: . @prefix rdf: . @prefix wgs84_pos: . @prefix gn: . @prefix rdaGr3: . @prefix skos: . @prefix xsd: . @prefix gnd: . @prefix rdaRelGr2: . @prefix rel: . @prefix rdaGr2: . skos:note "PND-Grundbestand"@de; ct:geographicNote "Großbritannien"@de; rdf:type ; gnd:publicationOfThePerson "Illustrations of the Huttonian theory of the earth. - 1964", "Playfair, John: Works. - 1822", "T145716: his On the origin and investigation of porisms, 1792? tp=By Mr. John Playfair", "Works. - 1822"; owl:sameAs , , , , gnd:117683701, , ; foaf:isPrimaryTopicOf ; rdaGr2:fieldOfActivityOfThePerson "Personen zu Mathematik (28p)"@de, "Mathematiker"@de, "Naturwissenschaftler"@de; rdaGr2:nameOfThePerson "Playfair, John", "Playfair, John, Mathematician"; rdaGr2:gender ; rdaGr2:biographicalInformation "1749-1819"@de, "1748-1819", "10.03.1748-19.07.1819"@de; rdaGr2:dateOfDeath "1819"^^xsd:gYear, "1819"^^xsd:gYear, "1819"^^xsd:gYear; gn:countryCode "GB"; rdaGr2:dateOfBirth "1749"^^xsd:gYear, "1748"^^xsd:gYear, "1748"^^xsd:gYear.