8 ideas
8000 | He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre] |
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] |
22593 | Our sensation of light may not be the same as what produces the sensation [Descartes] |
16569 | The Hot, Cold, Wet and Dry of the philosophers need themselves to be explained [Descartes] |
15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |
20964 | Descartes said there was conservation of 'quantity of motion' [Descartes, by Papineau] |