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Re: [ontolog-forum] Confusion about 'model'

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Waclaw Kusnierczyk <Waclaw.Marcin.Kusnierczyk@xxxxxxxxxxx>
Date: Tue, 17 Jul 2007 14:35:41 +0200
Message-id: <469CB79D.7050800@xxxxxxxxxxx>
Ingvar Johansson wrote:
>> So you have actually answered the question:  if there are situations in 
>> which it does make sense to say that a sentence about reality is a model 
>> of it, then it is not *essentially* wrong to say that.  It might have 
>> been wrong under the interpretation Barry assigned to it (somewhat 
>> mistakenly wrt. my intentions).
> I agree; in my opinion, it is not essentially wrong to say that a 
> sentence about reality is a model of it. But it is equally important to 
> add that such talk is often either redundant or misused. It can be 
> redundant in the same way as 'it is true that snow is white' can be 
> redundant in relation to 'snow is white'). Since Barry has hunted down 
> many misuses of model talk in informatics, I will take another example 
> that relates to my view that one has to be clear about whether one uses 
> a certain model in a realistic, fictional, or assumptive way. It is 
> extremely hard to make predictions about how the economy will develop. 
> Nonetheless, economists often in newspapers and television simply tell 
> people how it will develop (realistic talk), but later when they are 
> held responsible for their false predictions they say that people have 
> to realize that they were only talking about a model (fictional talk); 
> in their seminar rooms they probably use assumptive talk. I regard such 
> public switches between realistic and fictional model talk as a serious 
> misuse of the term 'scientific model'.    (01)

:)    (02)

vQ    (03)

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