8 ideas
3750 | "It is true that x" means no more than x [Ramsey] |
17818 | How many? must first partition an aggregate into sets, and then logic fixes its number [Yourgrau] |
17822 | Nothing is 'intrinsically' numbered [Yourgrau] |
17817 | Defining 'three' as the principle of collection or property of threes explains set theory definitions [Yourgrau] |
17815 | We can't use sets as foundations for mathematics if we must await results from the upper reaches [Yourgrau] |
17821 | You can ask all sorts of numerical questions about any one given set [Yourgrau] |
18818 | Sentence meaning is given by the actions to which it would lead [Ramsey] |
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |