5 ideas
17832 | Zermelo showed that the ZF axioms in 1930 were non-categorical [Zermelo, by Hallett,M] |
13028 | Replacement was added when some advanced theorems seemed to need it [Zermelo, by Maddy] |
17626 | The antinomy of endless advance and of completion is resolved in well-ordered transfinite numbers [Zermelo] |
7946 | The memory criterion has a problem when one thing branches into two things [Williams,B, by Macdonald,C] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |