5 ideas
18491 | The idea of 'making' can be mere conceptual explanation (like 'because') [Künne] |
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] |
3115 | Are meaning and expressed concept the same thing? [Burge, by Segal] |