6 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
17813 | Löwenheim-Skolem says any theory with a true interpretation has a model in the natural numbers [White,NP] |
17812 | Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |