12 ideas
| 6855 | Interesting philosophers hardly every give you explicitly valid arguments [Martin,M] |
| 6856 | Valid arguments can be rejected by challenging the premises or presuppositions [Martin,M] |
| 15544 | If what is actual might have been impossible, we need S4 modal logic [Armstrong, by Lewis] |
| 7024 | Properties are universals, which are always instantiated [Armstrong, by Heil] |
| 9478 | Even if all properties are categorical, they may be denoted by dispositional predicates [Armstrong, by Bird] |
| 10729 | Universals explain resemblance and causal power [Armstrong, by Oliver] |
| 4031 | It doesn't follow that because there is a predicate there must therefore exist a property [Armstrong] |
| 10024 | The type-token distinction is the universal-particular distinction [Armstrong, by Hodes] |
| 10728 | A thing's self-identity can't be a universal, since we can know it a priori [Armstrong, by Oliver] |
| 6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |