On 31 Jan 2014, at 22:16, LizR wrote:
On 1 February 2014 09:39, Craig Weinberg <[email protected]>
wrote:
> Is there any instance in which a computation is employed in which no
> program or data is input and from which no data is expected as
output?
The UD.
Isn't everything output from the UD?
No, as I understand it, only the appearance of everything. (Comp
answers the question "why is there something rather than nothing" by
"it depends what you mean by something...")
How does the program itself get to be a program without being input?
See genetic algorithms for one example. See genetics for another. A
"blind watchmaker" can make a computer programme, although we can
normally write one a lot more efficiently.
It seems to me though, and this is why I posted this thread, that i/
o is taken for granted and has no real explanation of what it is in
mathematical terms.
No mathematical explanation for what input and output are?! They
both come down to binary digits, how mathematical do you want it to
be?
The rest of your post seems a lot more sensible and I will leave
those questions for Bruno to agree or disagree, I would also like to
know how numbers can make an effort (as would Xenocrates! If John
will forgive the reference...)
"The soul is a number which moves itself" (Xenocrates).
Curiosity is a robot on mars, and it moves its software all alone by
itself, relatively to the planet Mars.
Sometimes his wheels go on some big pebbles (which shows there was
water!), and the robot has to make some "effort".
Curiosity has a digital brain. The relation between his inputs on
Mars, and his attempt to get rid of the pebbles, are entirely
described infinitely often in the arithmetical relations corresponding
to the emulation of that computation in arithmetic. Even before the
human relations took places, funnily enough. Now, the possible
consciousness of Curiosity is not really based on this or that
arithmetical relations, but on all of them. Only there the effort can
be hurting and felt by curiosity, if that is the case.
Does this help?
Bruno
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