10 ideas
| 15527 | Defining terms either enables elimination, or shows that they don't require elimination [Lewis] |
| 15530 | A logically determinate name names the same thing in every possible world [Lewis] |
| 15531 | The Ramsey sentence of a theory says that it has at least one realisation [Lewis] |
| 15528 | A Ramsey sentence just asserts that a theory can be realised, without saying by what [Lewis] |
| 15526 | There is a method for defining new scientific terms just using the terms we already understand [Lewis] |
| 15529 | It is better to have one realisation of a theory than many - but it may not always be possible [Lewis] |
| 3519 | Man uses his body, so must be separate from it [Anon (Plat), by Maslin] |
| 13550 | To be always happy is to lack knowledge of one half of nature [Seneca] |
| 13549 | Nothing bad can happen to a good man [Seneca] |
| 13548 | The ocean changes in volume in proportion to the attraction of the moon [Seneca] |