display all the ideas for this combination of texts
3 ideas
5949 | Epicurus says colours are relative to the eye, not intrinsic to bodies [Epicurus, by Plutarch] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |
1821 | Sensations cannot be judged, because similar sensations have equal value, and different ones have nothing in common [Epicurus, by Diog. Laertius] |