5 ideas
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
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] |