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] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |
22457 | If the aim is good outcomes, why are killings worse than deaths? [Scheffler, by Foot] |