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] |
1590 | The just man does not harm his enemies, but benefits everyone [Plato] |
20543 | 'Social justice' is a confused idea, and inequalities need no justification [Hayek, by Swift] |