11 ideas
13489 | Von Neumann treated cardinals as a special sort of ordinal [Neumann, by Hart,WD] |
12336 | A von Neumann ordinal is a transitive set with transitive elements [Neumann, by Badiou] |
18179 | For Von Neumann the successor of n is n U {n} (rather than {n}) [Neumann, by Maddy] |
18180 | Von Neumann numbers are preferred, because they continue into the transfinite [Maddy on Neumann] |
15925 | Each Von Neumann ordinal number is the set of its predecessors [Neumann, by Lavine] |
12177 | Human artefacts may have essences, in their purposes [Popper] |
12176 | Science does not aim at ultimate explanations [Popper] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
12175 | Galilean science aimed at true essences, as the ultimate explanations [Popper] |
12179 | Essentialist views of science prevent further questions from being raised [Popper] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |