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] |
13166 | Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu] |
6457 | Sensations are mental, but sense-data could be mind-independent [Vesey] |