Waclaw Kusnierczyk schrieb:
> Ingvar Johansson wrote:
>
>> John, who endorses
>> Peirce's view that the scientific community *approaches* truth, equally
>> stubbornly simply refuses to consider my (originally Popper's) proposal
>>
>
> Hm. Might it be that you present your own preferred views as if they
> were Popper's? (Pardon me my ignorance.)
> (01)
They may by some be taken to differ in one detail, but I think they are
essenntially identical. I mentioned Popper in order not to become
accused of having stolen any idea. In what follows, I will simply defend
my own views. (02)
>> to introduce a notion of 'truth' according to which truth is a
>> determinable that can take degrees. I don't know what blocks them, but
>> here are some further words that might help to make the notion of
>> 'truthlikeness' clearer.
>>
>
> Fine. I agree with you that this theory might be seen as a reasonable
> one. I don't see it this way, which does not appear to me to be a proof
> of its falseness -- which is completely coherent with my previous social
> constructivism, call it as you like. I think we were discussing what
> truth *is*, and then I simply stick to my own beliefs. If it were
> obvious to me that we discuss how truth *could* be, I would (I think)
> agree with you.
> (03)
Statements are *about* something. What they are about depends on the
concepts used. *Different concepts* are now and then (in everyday life,
in science, and in philosophy) embodied in the *same graphical sign*. In
this discussion the graphical sign 'truth' has been used both for the
concept of bipolar truth and the concept of truth as a determinable that
can take degrees. I have tried to show that the latter concept is (i) a
semantically coherent concept, and (ii) a concept that makes it possible
in a simple way to speak about science as progressing towards 100%-truths. (04)
Given 'truth as truthlikeness', one can meaningfully ask: "what *is*
this truth or truthlikeness?" And then my short-hand answer is:
"truthlikeness is an internal relation between a proposition and a
truthmaker". This means, among other things, that to ascribe a certain
truthlikeness to a proposition is *not* to ascribe it a monadic
property, but a *relational property*. (05)
Ingvar (06)
>> On my proposal, of course, the term 'truth' becomes *out of context*
>> ambiguous. It can then mean (i) 'truth' in the bipolar sense (which does
>> not take degrees), (ii) 'truth' in the determinable sense (which takes
>> degrees), and (iii) complete and absolute truthlikeness (which does not,
>> just like any determinate truthlikeness, take degrees).
>>
>> 'Truthlikeness' is introduced as a notion *beside* the bipolar notion of
>> 'true-false' used in everyday life and in two-valued logic. I have by no
>> means claimed that the introduction of 'truthlikeness' implies that
>> two-valued logic has to be replaced by many-valued logic. The notion of
>> 'truthlikeness' is needed in order to make sense of the history of
>> science and to get a reasonable view of the future of science. When,
>> *within* an empirical science, reseachers are discussing theories and
>> hypotheses and what observable consequences they might yield, ordinary
>> two-valued logic functions well.
>>
>
> Good, but you did make claims that it is truth that takes degrees. It
> appears to me that both John and me (and now you?) see truthlikeness as
> distinct from truth, and calling it 'truth' (as in (ii) above, where you
> seem to speak of determinate truthlikeness while proposing to name it
> 'truth') is simply begging for problems -- and thus the discussion.
>
> vQ
>
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> (07)
--
Ingvar Johansson
IFOMIS, Saarland University
home site: http://ifomis.org/
personal home site:
http://hem.passagen.se/ijohansson/index.html (08)
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