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] |
5958 | The sun is always bright; it doesn't become bright when it emerges [Plutarch] |
16764 | The soul conserves the body, as we see by its dissolution when the soul leaves [Toletus] |