@prefix p: <http://www.wikidata.org/prop/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema1: <http://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wdt: <http://www.wikidata.org/prop/direct/> .
@prefix wdtn: <http://www.wikidata.org/prop/direct-normalized/> .
@prefix wikibase: <http://wikiba.se/ontology#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

wd:Q1627103 rdfs:label "منحني مقطع طاري"@ar,
        "secció espírica"@ca,
        "spirische Kurve"@de,
        "spiric section"@en,
        "tora sekco de Perseo"@eo,
        "Spira de Perseus"@es,
        "spirique de Persée"@fr,
        "Sezione spirica"@it,
        "secțiune spirică"@ro,
        "кривая Персея"@ru,
        "Prerjet spirike"@sq,
        "крива Персея"@uk,
        "Spiric截面"@zh ;
    schema1:dateModified "2026-07-04T17:22:06+00:00"^^xsd:dateTime ;
    schema1:description "quartic plane curve; bicircular quartic curves that are symmetric with respect to the x and y-axes. Spiric sections are included in the family of toric sections and include the family of hippopedes and the family of Cassini ovals"@en,
        "плоская алгебраическая кривая 4-го порядка"@ru,
        "плоска алгебрична крива 4-го порядку"@uk ;
    schema1:version 2513874822 ;
    wikibase:identifiers 4 ;
    wikibase:sitelinks 8 ;
    wikibase:statements 13 ;
    skos:altLabel "spiric of Perseus"@en,
        "Sezioni spiriche"@it,
        "Spirica di Perseo"@it,
        "спірична лінія"@uk,
        "спіричний перетин"@uk ;
    p:P1343 wds:Q1627103-3E6908FC-CEBF-41E1-B731-2ABA7C00092F ;
    p:P18 wds:Q1627103-0c907af8-425c-53a5-1ca4-51608d77f32f ;
    p:P2534 wds:Q1627103-d020d73e-4713-d595-db6b-5ca81ee3044e ;
    p:P2581 wds:Q1627103-EF0CC8F0-018C-463A-A612-EE527D0FD28B ;
    p:P279 wds:Q1627103-7FBD5600-29CA-4197-811D-534B272BC2CB,
        wds:Q1627103-a33c3eee-4027-b62e-13c6-39022a07c37d,
        wds:Q1627103-f74e5b45-4c24-b9dc-0635-d5c7092a6748 ;
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    p:P6104 wds:Q1627103-E3D1C8BE-2F44-4AEC-98C9-06CD3EAA9597 ;
    p:P6366 wds:Q1627103-37338199-21F6-4B89-BD46-784BFCD66FD3 ;
    p:P646 wds:Q1627103-F2F8D744-64BC-4215-8A42-1335577D04D5 ;
    p:P910 wds:Q1627103-aa2ada42-4633-83f7-fce8-1300957c4b87 ;
    wdtn:P2581 <http://babelnet.org/rdf/s03323693n> ;
    wdtn:P6366 <https://makg.org/entity/2780527473> ;
    wdt:P1343 wd:Q19219752 ;
    wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/Torus-spir.svg> ;
    wdt:P2534 "<math class=\"mwe-math-element mwe-math-element-inline\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mrow data-mjx-texclass=\"ORD\"><mstyle displaystyle=\"true\" scriptlevel=\"0\"><mo stretchy=\"false\">(</mo><msup><mi>x</mi><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></msup><mo stretchy=\"false\">+</mo><msup><mi>y</mi><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></msup><msup><mo stretchy=\"false\">)</mo><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></msup><mo stretchy=\"false\">=</mo><mi>a</mi><msup><mi>x</mi><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></msup><mo stretchy=\"false\">+</mo><mi>b</mi><msup><mi>y</mi><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></msup><mo stretchy=\"false\">+</mo><mi>c</mi></mstyle></mrow></math>"^^<http://www.w3.org/1998/Math/MathML> ;
    wdt:P2581 "03323693n" ;
    wdt:P279 wd:Q1060874,
        wd:Q266237,
        wd:Q985864 ;
    wdt:P2812 "SpiricSection" ;
    wdt:P31 wd:Q24034552 ;
    wdt:P6104 wd:Q8487137 ;
    wdt:P6366 "2780527473" ;
    wdt:P646 "/m/0ddcrl" ;
    wdt:P910 wd:Q8791794 .