# projective geometry (Q177409)

| Property ID | Property | Value | Value entity | Amount | Unit | Date / from | Until | Rank | Sources |
| --- | --- | --- | --- | ---: | --- | --- | --- | --- | --- |
| P361 | Part of | geometry | Q8087 |  |  |  |  | normal |  |
| P279 | Subclass of | branch of mathematics | Q1936384 |  |  |  |  | normal |  |
| P268 | Bibliothèque nationale de France ID | 11944448r |  |  |  |  |  | normal | https://catalogue.bnf.fr/ark:/12148/cb11944448r |
| P508 | BNCF Thesaurus ID | 33772 |  |  |  |  |  | normal | https://thes.bncf.firenze.sbn.it/termine.php?id=33772 |
| P8248 | Colon Classification | B6:7 |  |  |  |  |  | normal |  |
| P1036 | Dewey Decimal Classification | 516.5 |  |  |  |  |  | normal |  |
| P4746 | Elhuyar ZTH ID | 133733 |  |  |  |  |  | normal | https://zthiztegia.elhuyar.eus/kontzeptua/133733 |
| P1417 | Encyclopædia Britannica Online ID | topic/projective-geometry |  |  |  |  |  | normal | https://www.britannica.com/topic/projective-geometry |
| P3219 | Encyclopædia Universalis ID | espace-et-repere-projectifs |  |  |  |  |  | normal | https://www.universalis.fr/encyclopedie/espace-et-repere-projectifs/ |
| P14541 | Encyclopedia of China (Third Edition) ID (2026) | 2D6HD5 |  |  |  |  |  | normal | https://www.zgbk.com/ecph/words?SiteID=1&ID=2D6HD5 |
| P10565 | Encyclopedia of China (Third Edition) old ID (2021) | 318385 |  |  |  |  |  | normal | https://web.archive.org/web/0/https://www.zgbk.com/ecph/words?SiteID=1&ID=318385 |
| P646 | Freebase ID | /m/01kbq3 |  |  |  |  |  | normal | https://www.google.com/search?kgmid=/m/01kbq3 |
| P227 | GND ID | 4047436-7 |  |  |  |  |  | normal | https://d-nb.info/gnd/4047436-7 |
| P4342 | Great Norwegian Encyclopedia ID | projektiv_geometri |  |  |  |  |  | normal | https://wikidata-externalid-url.toolforge.org/?p=4342&url_prefix=https://snl.no/&id=projektiv_geometri |
| P11514 | Great Russian Encyclopedia portal ID | proektivnaia-geometriia-61aebc |  |  |  |  |  | normal | https://bigenc.ru/c/proektivnaia-geometriia-61aebc |
| P8189 | J9U entity ID | 987007565327505171 |  |  |  |  |  | normal | https://www.nli.org.il/en/authorities/987007565327505171 |
| P3827 | JSTOR topic ID (archived) | projective-geometry |  |  |  |  |  | normal | https://web.archive.org/web/*/https://www.jstor.org/topic/projective-geometry |
| P8408 | KBpedia ID | ProjectiveGeometry |  |  |  |  |  | normal | https://kbpedia.org/knowledge-graph/reference-concept/?uri=ProjectiveGeometry |
| P6385 | Krugosvet article (archived) | matematika/proektivnaya-geometriya |  |  |  |  |  | normal | https://web.archive.org/web/2025/https://www.krugosvet.ru/enc/matematika/proektivnaya-geometriya |
| P6058 | Larousse ID | images/Géométrie_projective/1004042 |  |  |  |  |  | normal | https://www.larousse.fr/encyclopedie/images/G%C3%A9om%C3%A9trie_projective/1004042 |
| P244 | Library of Congress Authorities ID | sh85054157 |  |  |  |  |  | normal | https://id.loc.gov/authorities/sh85054157 |
| P2812 | MathWorld ID | ProjectiveGeometry |  |  |  |  |  | normal | https://mathworld.wolfram.com/ProjectiveGeometry.html |
| P6366 | Microsoft Academic ID (discontinued) | 185362025 |  |  |  |  |  | normal | https://web.archive.org/web/https://academic.microsoft.com/v2/detail/185362025 |
| P1368 | National Library of Latvia ID | 000112019 |  |  |  |  |  | normal | https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000112019 |
| P349 | NDL Authority ID | 00571800 |  |  |  |  |  | normal | https://id.ndl.go.jp/auth/ndlna/00571800 |
| P691 | NL CR AUT ID | ph124640 |  |  |  |  |  | normal | https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph124640 |
| P4215 | NLab ID | projective geometry |  |  |  |  |  | normal | https://ncatlab.org/nlab/show/projective%20geometry |
| P10283 | OpenAlex ID | C185362025 |  |  |  |  |  | normal | https://openalex.org/C185362025 |
| P6781 | ProofWiki ID | Definition:Projective_Geometry |  |  |  |  |  | normal | https://proofwiki.org/wiki/Definition%3AProjective_Geometry |
| P1051 | PSH ID | 7326 |  |  |  |  |  | normal | https://psh.techlib.cz/skos/PSH7326 |
| P3417 | Quora topic ID | Projective-Geometry |  |  |  |  |  | normal | https://www.quora.com/topic/Projective-Geometry |
| P9322 | SVKKL authority ID | 0429949-projektivni-geometrie |  |  |  |  |  | normal | https://ipac.svkkl.cz/arl-kl/cs/detail-kl_us_auth-0429949-projektivni-geometrie |
| P13204 | Wellcome Collection concept ID | yt52fn9q |  |  |  |  |  | normal | https://wellcomecollection.org/concepts/yt52fn9q |
| P13591 | Yale LUX ID | concept/d97065e7-5a91-4046-ace0-a44cb20b59bb |  |  |  |  |  | normal | https://lux.collections.yale.edu/view/concept/d97065e7-5a91-4046-ace0-a44cb20b59bb |
| P2347 | YSO ID | 14431 |  |  |  |  |  | normal | https://www.yso.fi/onto/yso/p14431 |

Source: https://aidb.si/e/projective-geometry-Q177409 — Wikidata (CC0) via AIDB