| Giver | Post | Date |
| hetnagda | The subsets of the set {s, t, u} consisting of the three elements s, t | 07-Mar-2023 |
| sparkvatta11 | The subsets of the set {s, t, u} consisting of the three elements s, t | 06-Mar-2023 |
| adxxi17 | The subsets of the set {s, t, u} consisting of the three elements s, t | 01-Oct-2021 |
| Carcass | The subsets of the set {s, t, u} consisting of the three elements s, t | 29-Sep-2021 |