On 7 October 2015 at 16:59, Bruce Kellett <[email protected]> wrote:

> On 7/10/2015 3:58 pm, Jason Resch wrote:
>
> On Tue, Oct 6, 2015 at 10:37 PM, Bruce Kellett <[email protected]>
> wrote:
>
> Is a particular mind a natural type? Or is it only the generic 'mind' that
> is a natural type? Maybe the particular mind is only a token of the generic
> type 'mind', not a type in its own right. You beg the question in your
> analysis.
>
> You postulate some unknown difference between your distant doppelgangers
> that makes them not the same (despite being defined as the same
> (physically, organizationally, materially, computationally)). Stathis and I
> merely reject your theory that there is some unknown difference that makes
> a difference.
>
> I am merely objecting to your tendency to create your preferred results by
> definition. You *define* the distant persons to be identical, without
> providing any way in which that claim could ever be checked. It is not that
> I say that they are different, I say that you have no basis for your claim
> that they are identical. And without being able to establish the existence
> of identical brain configurations, and identical conscious states, then
> your theory is only a matter of your definitions. And you cannot determine
> what is real by definition.
>

You seem to believe that verification of similarity is needed in order for
the statement that similar things are similar to have meaning, which is a
strange way to think. Even the logical positivists allowed the validity of
a priori statements.


>
> I have given good reason to believe that there are, in fact, no exact
> copies of us, or our world, in the whole multiverse. No one has been able
> to offer even the outline of a proof that there are, so I am content to say
> that there are none. Prove me wrong if you want to disagree.
>

You have speculated that the universe is non-uniform, and that you believe
we are not one of the structures that repeats infinitely. There is no good
reason to believe these things, and I suspect most cosmologists believe in
the Copernican principle, even though it has not been proven.


-- 
Stathis Papaioannou

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