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Author Topic:   Evolution is most likely a part of intelligent design
dogrelata
Member (Idle past 5342 days)
Posts: 201
From: Scotland
Joined: 08-04-2006


Message 56 of 59 (365949)
11-25-2006 1:08 PM
Reply to: Message 19 by dwise1
10-11-2006 3:09 PM


Re: God vs. Aliens
dwise1 writes:
There was an interesting outcome to genetic algorithm experiments in which evolutionary processes were used to evolve an amplifier design out of a field-programmable gate array (FPGA). The resulting amplifier was irreducibly complex.
I’m struggling with the concept of irreducible complexity as you allude to it, so you need to help me out here a little. In Message 55 Sour has posted a link to the experiments in question and I’m pretty confused. I just don’t get the irreducible complexity bit.
My basic understanding of evolution is that if you have a naturally occurring complex mechanism, you might want to label it x. Evolution suggests that it will have arisen as a result of a mutation (and natural selection) from a different (but most likely similar) mechanism which can be labelled (x - 1) . which in turn has arisen out of mechanism (x - 2) etc, all the way back to (x - y), being the earliest single cell structures or whatever.
At this point the ID lobby wants to step in and say if we can’t find an (x - 1) or (x - 2) etc for any mechanism x, we can deduce that it cannot have evolved so is therefore the result of ID.
What I’m struggling with is the idea that the aforementioned amplifier is in any way irreducibly complex. Complex yes, irreducible no. According to the report, it took 4,100 ”mutations’ to reach the ”complexity’ required to carry out the task. Each of these mutations is a step on the evolutionary path that leads from (x - y) to x, so fails to match the criteria required by the IDists in their search for irreducible complexity.
What am I missing?

This message is a reply to:
 Message 19 by dwise1, posted 10-11-2006 3:09 PM dwise1 has not replied

Replies to this message:
 Message 58 by RAZD, posted 12-08-2006 11:57 PM dogrelata has replied

  
dogrelata
Member (Idle past 5342 days)
Posts: 201
From: Scotland
Joined: 08-04-2006


Message 59 of 59 (368612)
12-09-2006 3:11 AM
Reply to: Message 58 by RAZD
12-08-2006 11:57 PM


Re: Design versus appearance of design
Cheers RAZD.
RAZD writes:
It's a little more than that - it has to do with reducing the feature\system to the point where you take one more element away and it doesn't function, and then question how that situation could have evolved.
I was actually reading your thread the other day, and immediately realised my understanding of IC was incomplete (and flawed).
But I wouldn’t be me if I didn’t have just one more question
In the FPGA experiment, it was concluded that the process led to a functional amplifier by the 4,100th mutation. I now understand that if we remove one element of this amplifier, it fails to function. Well, as an amplifier at least . and that we (as humans) can detect no function in what remains.
But I’m not sure how relevant that is. To the best of my understanding, in ToE, nature determines what will survive (and therefore has function), not little old me.
I’m going to have to take some time to go through your other thread in more detail and try to get my head round all the biological stuff. In the meantime, where have I gone wrong with the above?
Thanks.

This message is a reply to:
 Message 58 by RAZD, posted 12-08-2006 11:57 PM RAZD has not replied

  
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