4 ideas
10801 | Either reference really matters, or we don't need to replace it with substitutions [Quine] |
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] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |