Sujet : Re: I just fixed the loophole of the Gettier cases
De : richard (at) *nospam* damon-family.org (Richard Damon)
Groupes : sci.logicDate : 07. Sep 2024, 00:41:16
Autres entêtes
Organisation : i2pn2 (i2pn.org)
Message-ID : <24f85bcd40f57685aab93d45f15501178e526d0f@i2pn2.org>
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User-Agent : Mozilla Thunderbird
On 9/6/24 8:24 AM, olcott wrote:
On 9/6/2024 6:43 AM, Mikko wrote:
On 2024-09-03 12:49:11 +0000, olcott said:
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On 9/3/2024 5:44 AM, Mikko wrote:
On 2024-09-02 12:24:38 +0000, olcott said:
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On 9/2/2024 3:29 AM, Mikko wrote:
On 2024-09-01 12:56:16 +0000, olcott said:
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On 8/31/2024 10:04 PM, olcott wrote:
*I just fixed the loophole of the Gettier cases*
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knowledge is a justified true belief such that the
justification is sufficient reason to accept the
truth of the belief.
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https://en.wikipedia.org/wiki/Gettier_problem
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With a Justified true belief, in the Gettier cases
the observer does not know enough to know its true
yet it remains stipulated to be true.
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My original correction to this was a JTB such that the
justification necessitates the truth of the belief.
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With a [Sufficiently Justified belief], it is stipulated
that the observer does have a sufficient reason to accept
the truth of the belief.
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What could be a sufficient reason? Every justification of every
belief involves other belifs that could be false.
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For the justification to be sufficient the consequence of
the belief must be semantically entailed by its justification.
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If the belief is about something real then its justification
involves claims about something real. Nothing real is certain.
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I don't think that is correct.
My left hand exists right now even if it is
a mere figment of my own imagination and five
minutes ago never existed.
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As I don't know and can't (at least now) verify whether your left
hand exists or ever existed I can't regard that as a counter-
example.
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If the belief is not about something real then it is not clear
whether it is correct to call it "belief".
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*An axiomatic chain of inference based on this*
By the theory of simple types I mean the doctrine which says
that the objects of thought (or, in another interpretation,
the symbolic expressions) are divided into types, namely:
individuals, properties of individuals, relations between
individuals, properties of such relations, etc.
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...sentences of the form: " a has the property φ ", " b bears
the relation R to c ", etc. are meaningless, if a, b, c, R, φ
are not of types fitting together.
https://en.wikipedia.org/wiki/History_of_type_theory#G%C3%B6del_1944
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The concepts of knowledge and truth are applicable to the knowledge
whether that is what certain peple meant when using those words.
Whether or to what extent that theory can be said to be true is
another problem.
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The fundamental architectural overview of all Prolog implementations
is the same True(x) means X is derived by applying Rules (AKA truth preserving operations) to Facts.
But Prolog can't even handle full first order logic, only basic propositions. The way you keep falling back to it shows that your understanding of Logic is very limited.
That is the way that all expressions X of language L are determined
to be true in L on the basis of the connection from X in L by truth preserving operations to the semantic meaning of X in L.
Right, but the connection might be infinite in length.
{Linguistic truth} is the philosophical foundation of truth
in math and logic, AKA relations between finite strings.
Which you can't seem to explain how it differs from the classical semantic truth created by the (possibly infinite) chain of logical steps from the fundamental truth-makers of the system.