5 ideas
9987 | An aggregate in which order does not matter I call a 'set' [Bolzano] |
10856 | A truly infinite quantity does not need to be a variable [Bolzano] |
14248 | We could accept the integers as primitive, then use sets to construct the rest [Cohen] |
15201 | That Queen Anne is dead is a 'general fact', not a fact about Queen Anne [Prior,AN] |
22899 | 'Thank goodness that's over' is not like 'thank goodness that happened on Friday' [Prior,AN] |