| ▲ | alberto467 2 hours ago | ||||||||||||||||
If you can’t define it you cannot say where it is present or not. | |||||||||||||||||
| ▲ | forlorn_mammoth 20 minutes ago | parent | next [-] | ||||||||||||||||
yeah! Just like gravity, which we all know is, uh, umm, uh, hold on a second, Wait, I meant light, yeah, photons! It's photons all the way down! And what are photons you ask? shit, no more questions. Got to go. | |||||||||||||||||
| ▲ | qsera 2 hours ago | parent | prev | next [-] | ||||||||||||||||
That is not true. We can detect the presence of a thing by the observation of something it causes. That does not imply we have a good definition of the thing. At that point, we can only define it as something that causes this observation. And that is not very useful. | |||||||||||||||||
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| ▲ | sublinear 2 hours ago | parent | prev [-] | ||||||||||||||||