4 ideas
10801 | Either reference really matters, or we don't need to replace it with substitutions [Quine] |
8923 | Numbers are identified by their main properties and relations, involving the successor function [MacBride] |
8926 | For mathematical objects to be positions, positions themselves must exist first [MacBride] |
19458 | Egoism is the only evil, love the only good; genuine love produces all the other virtues [Feuerbach] |