5 ideas
8460 | Philosophers have given precise senses to deduction, probability, computability etc [Quine/Ullian] |
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] |
22001 | The real will of the cooperative will replace the 'will of the people' [Marx] |