5 ideas
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
17606 | Axioms reveal the underlying assumptions, and reveal relationships between different areas [Kline] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |