7 ideas
| 15034 | Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry] |
| 8108 | Aesthetics presupposes a distinctive sort of experience, and a unified essence for art [Gardner] |
| 8112 | Art works originate in the artist's mind, and appreciation is re-creating this mental object [Gardner] |
| 8111 | Aesthetic objectivists must explain pleasure being essential, but not in the object [Gardner] |
| 8109 | Aesthetic judgements necessarily require first-hand experience, unlike moral judgements [Gardner] |
| 20646 | Helmholtz used 'energy' to mathematically link heat, light, electricity and magnetism [Helmholtz, by Watson] |
| 20973 | All forces conserve the sum of kinetic and potential energy [Helmholtz, by Papineau] |