| 15895 | Russell discovered the paradox suggested by Burali-Forti's work [Russell, by Lavine] |
| 21553 | It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey] |
| 13482 | The Burali-Forti paradox is a crisis for Cantor's ordinals [Hart,WD] |
| 13366 | The least ordinal greater than the set of all ordinals is both one of them and not one of them [Priest,G] |
| 8674 | The Burali-Forti paradox asks whether the set of all ordinals is itself an ordinal [Friend] |