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Article #1193

Re: ABSOLUTELY TRUE THEORIES

#1193
From: BURT
Date: Wed, 19 Aug 2009 19:01
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On Aug 19, 5:41 am, Pentcho Valev <pva...@yahoo.com> wrote:
> Philosophers of science have devised strange concepts such as
> verisimilitude (proximity to truth) and pessimistic induction (all
> theories in the past proved partially false so present and future
> theories are partially false as well) which contradict the deductive
> method. Consider Einstein's 1905 light postulate:
>
> http://www.fourmilab.ch/etexts/einstein/specrel/www/"...light is
> always propagated in empty space with a definite velocity c which is
> independent of the state of motion of the emitting body."
>
> By a theory I shall mean the deductive closure of the postulate, that
> is, the set of all its consequences deduced validly and in the absence
> of false or absurd auxiliary hypotheses. If the light postulate is
> true, then all its consequences are true.
>
> If Einstein's 1905 light postulate is false, then its antithesis, the
> equation c'=c+v given by Newton's emission theory of light, is true.
> Then the respective theory (the set of all consequences of the
> antithesis deduced validly and in the absence of false or absurd
> auxiliary hypotheses) is absolutely true in the sense that all its
> conclusions are true.
>
> Clearly if "theory" is properly defined the concepts of truth content
> and falsity content are irrelevant. Deductive theories are either
> absolutely true or absolutely false.
>
> Pentcho Valev
> pva...@yahoo.com

As Einstein  might have said all our current theories are incomplete.

Mitch Raemsch
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From: BURT <macromitch@yahoo.com>
Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.astrophysique
Subject: Re: ABSOLUTELY TRUE THEORIES
Date: Wed, 19 Aug 2009 12:01:43 -0700 (PDT)
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