display all the ideas for this combination of texts
4 ideas
23628 | The connective 'and' can have an order-sensitive meaning, as 'and then' [Hossack] |
8490 | First-level functions have objects as arguments; second-level functions take functions as arguments [Frege] |
8492 | Relations are functions with two arguments [Frege] |
23627 | 'Before' and 'after' are not two relations, but one relation with two orders [Hossack] |