5 ideas
10594 | Henkin semantics is more plausible for plural logic than for second-order logic [Maddy] |
16974 | The nature of each logical concept is given by a collection of inference rules [Correia] |
16973 | Explain logical necessity by logical consequence, or the other way around? [Correia] |
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] |