9 ideas
18261 | A simplification which is complete constitutes a definition [Kant] |
22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
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] |
22308 | Only the actual exists, so possibilities always reduce to actuality after full analysis [Russell] |
18260 | If we knew what we know, we would be astonished [Kant] |