On Tuesday, May 29, 2018 at 1:25:19 PM UTC-5, Brent wrote:
>
>
>
> You miss my point that no one, no physicists, no philosopher, starts out 
> by defining "primary matter".  It is your invention as a straw man to be 
> defeated by computationalism.  Some physicists and some philosophers may 
> suppose that the stuff described by physics is enough to explain the world 
> we observe; but most also suppose that it is not "primary".  They look for 
> a deeper more unified ur-stuff and many physicists have followed Wheeler 
> and Tegmark in thinking of the equations of mathematical physics as simply 
> defining the ur-stuff.
>
> Brent
>

This and other old philosophical ideas are of no utility in physics. There 
is no physical meaning to terms such as primary matter. 

 LC

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