display all the ideas for this combination of philosophers
4 ideas
| 16391 | Indexical thoughts are about themselves, and ascribe properties to themselves [Perry, by Recanati] |
| 4889 | Although we may classify ideas by content, we individuate them differently, as their content can change [Perry] |
| 4896 | The intension of an expression is a function from possible worlds to an appropriate extension [Perry] |
| 9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |