On Fri, 18 Nov 2005, Arash wrote:
>
> But every observation or cognition involves acts of subjective
> construction: transforming sense-data (say, a blurry image of Saturn) into
> a theoretical construct ("hey, that's a planet").
>
> - DRR
>
> But if this mental construction robustly accords to the data from your
> external environment doesn't this suggest what you've constructed reflects
> what actually exists in the external environment? We aren't constrained to
> perceptions alone.
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