4 ideas
15716 | If axioms and their implications have no contradictions, they pass my criterion of truth and existence [Hilbert] |
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
1558 | Clearly the gods ignore human affairs, or they would have given us justice [Thrasymachus] |