4 ideas
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
13190 | I don't admit infinite numbers, and consider infinitesimals to be useful fictions [Leibniz] |
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |