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] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |
20329 | A work of art is an artifact created for the artworld [Dickie] |