[lbo-talk] Science Marches On

[Arash]

>But how do you know that your perception of the "data from your 
>external environment" reflects what actually exists in the
>external environment?  --Epistemological regress here.
>(Nietzschean knots!)
>
>Miles

You know by consistent verification through variety experiments testing the
hypothesis.  That's how we really "know" any fact.  And such facts are open
to empirical refutation.  Yeah, it's always possibly we're just brains in
vats but then they've done at hiding the influence of these vats.