4 ideas
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] |
3622 | The Cogito is not a syllogism but a self-evident intuition [Descartes] |
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |