| Giver | Post | Date |
| carcass | Re: The subsets of the set {s, t, u} consisting of the three elements s, t | 29-Sep-2021 |
| ramsup | Re: The subsets of the set {s, t, u} consisting of the three elements s, t | 15-Sep-2021 |
| aditi1692 | Re: The subsets of the set {s, t, u} consisting of the three elements s, t | 22-May-2021 |
| Tasha123 | Re: The subsets of the set {s, t, u} consisting of the three elements s, t | 21-May-2020 |