Wikidata entity: Q58914
| P373 | Commons category | String | Penrose stairs | ??? |
| P61 | discoverer or inventor | ... | Q193803 (Roger Penrose) | Roger Penrose |
| P61 | discoverer or inventor | ... | Q339375 (Lionel Penrose) | Lionel Penrose |
| P61 | discoverer or inventor | ... | Q2032939 (???) | ??? |
| P31 | instance of | ... | Q601362 (impossible object) | impossible object |
| P31 | instance of | ... | Q24034552 (mathematical concept) | mathematical concept |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P138 | named after | ... | Q193803 (Roger Penrose) | Roger Penrose |
| P138 | named after | ... | Q339375 (Lionel Penrose) | Lionel Penrose |
| P575 | time of discovery or invention | ... | 1959-01-01 | ??? |
| P646 | Freebase ID | /m/028td5 |
| P2812 | MathWorld ID | PenroseStairway |
| P3417 | Quora topic ID | Penrose-Stairs |
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