4 ideas
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
10632 | The real numbers may be introduced by abstraction as ratios of quantities [Hale, by Hale/Wright] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
16714 | The state should kill blasphemous heretics [Erasmus] |