13 ideas
| 21918 | Sufficient Reason can't be proved, because all proof presupposes it [Schopenhauer, by Lewis,PB] |
| 21920 | No need for a priori categories, since sufficient reason shows the interrelations [Schopenhauer, by Lewis,PB] |
| 16674 | The quantity is just the matter, in that it has extended parts and is diffuse [Charleton] |
| 15642 | If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle] |
| 15645 | Nominal essence are the observable properties of things [Eagle] |
| 15643 | Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle] |
| 21362 | Necessity is physical, logical, mathematical or moral [Schopenhauer, by Janaway] |
| 21361 | For Schopenhauer, material things would not exist without the mind [Schopenhauer, by Janaway] |
| 21919 | Object for a subject and representation are the same thing [Schopenhauer] |
| 21917 | The four explanations: objects by causes, concepts by ground, maths by spacetime, ethics by motive [Schopenhauer, by Lewis,PB] |
| 21921 | Concepts are abstracted from perceptions [Schopenhauer, by Lewis,PB] |
| 21363 | Motivation is causality seen from within [Schopenhauer] |
| 15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |