12 ideas
| 15527 | Defining terms either enables elimination, or shows that they don't require elimination [Lewis] |
| 3626 | Knowing the attributes is enough to reveal a substance [Descartes] |
| 15530 | A logically determinate name names the same thing in every possible world [Lewis] |
| 3630 | Our thinking about external things doesn't disprove the existence of innate ideas [Descartes] |
| 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] |
| 15531 | The Ramsey sentence of a theory says that it has at least one realisation [Lewis] |
| 3631 | A blind man may still contain the idea of colour [Descartes] |
| 3640 | Possible existence is a perfection in the idea of a triangle [Descartes] |
| 3639 | Necessary existence is a property which is uniquely part of God's essence [Descartes] |
| 7636 | It can't be more rational to believe in natural laws than miracles if the laws are not rational [Ishaq on Hume] |