6 ideas
21563 | The 'no classes' theory says the propositions just refer to the members [Russell] |
21565 | Richard's puzzle uses the notion of 'definition' - but that cannot be defined [Russell] |
21564 | Vicious Circle: what involves ALL must not be one of those ALL [Russell] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
17009 | I won't object if someone shows that gravity consistently arises from the action of matter [Newton] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |