8 ideas
| 15527 | Defining terms either enables elimination, or shows that they don't require elimination [Lewis] |
| 3144 | Everything is what it is, and not another thing [Butler] |
| 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] |
| 16764 | The soul conserves the body, as we see by its dissolution when the soul leaves [Toletus] |