6 ideas
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
2602 | What experience could prove 'If a=c and b=c then a=b'? [Descartes] |
2601 | Qualia must be innate, because physical motions do not contain them [Descartes] |
2600 | The mind's innate ideas are part of its capacity for thought [Descartes] |
12165 | Romantics say music expresses ideas, or the Will, or intuitions, or feelings [Scruton] |
12164 | Expressing melancholy is a good thing, but arousing it is a bad thing [Scruton] |