4 ideas
21554 | Sets always exceed terms, so all the sets must exceed all the sets [Lackey] |
21553 | It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey] |
9548 | A mathematical object exists if there is no contradiction in its definition [Waterfield] |
15640 | Courage is not a virtue, but the form of every virtue at its testing point [Lewis,CS] |