8 ideas
| 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] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 4053 | If it is desirable that a given patient die, then moral objections to killing them do not apply [Rachels] |
| 4052 | It has become normal to consider passive euthanasia while condemning active euthanasia [Rachels] |
| 15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |