6 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] |
16643 | Accidents always remain suited to a subject [Bonaventura] |
16696 | Successive things reduce to permanent things [Bonaventura] |
7439 | The qualities involved in sensations are entirely intentional [Anscombe, by Armstrong] |