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From: olcott <polcott333@gmail.com>
Newsgroups: sci.logic
Subject: Re: How a True(X) predicate can be defined for the set of analytic
 knowledge
Date: Sun, 30 Mar 2025 06:24:11 -0500
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On 3/30/2025 5:01 AM, Mikko wrote:
> On 2025-03-29 14:28:29 +0000, olcott said:
> 
>> On 3/28/2025 4:50 PM, Richard Damon wrote:
>>> On 3/28/25 3:45 PM, olcott wrote:
>>>> On 3/28/2025 5:33 AM, joes wrote:
>>>>> Am Thu, 27 Mar 2025 20:44:28 -0500 schrieb olcott:
>>>>>> On 3/27/2025 6:08 PM, Richard Damon wrote:
>>>>>>> On 3/27/25 9:03 AM, olcott wrote:
>>>>>>>> On 3/27/2025 5:58 AM, Mikko wrote:
>>>>>>>>> On 2025-03-26 18:01:14 +0000, olcott said:
>>>>>>>>>> On 3/26/2025 3:36 AM, Mikko wrote:
>>>>>
>>>>>>>>>> I am NOT referring to what is merely presented as the body of
>>>>>>>>>> general knowledge, I am referring to the actual body of general
>>>>>>>>>> knowledge. Within this hypothesis it is easy to see that True(X)
>>>>>>>>>> would be infallible.
>>>>>>>>>
>>>>>>>>> In that case your True(X) is uncomputable and any theory that
>>>>>>>>> contains it is incomplete.
>>>>>>>>>
>>>>>>>> The body of general knowledge that can be expressed using 
>>>>>>>> language is
>>>>>>>> defined to be complete. The moment that new knowledge that can be
>>>>>>>> expressed in language comes into existence it is added to the set.
>>>>>>>>
>>>>>>> No its not. We KNOW there are things we don't know yet, but hope to.
>>>>>>>
>>>>>> As soon as the first person knows new general knowledge and this
>>>>>> knowledge can be written down (unlike the actual direct physical
>>>>>> sensation of smelling a rose)
>>>>>> then this becomes an element of this set of knowledge.
>>>>>>
>>>>>>> And, the base of a logic system is STATIC and fixed.
>>>>>> The set of general knowledge that can be expressed in language has 
>>>>>> more
>>>>>> flexibility than that.
>>>>>>
>>>>>>> You just don't understand the meaning of the words you are using.
>>>>>>>
>>>>>>>> True(X) merely tests for membership in this set;
>>>>>>>> (a) Is X a Basic Fact? Then X is true.
>>>>>>> Which makes it not a TRUTH test, but a KNOWLEDGE test, and thus not
>>>>>>> names right.
>>>>>> The set of all general knowledge that can be expressed in language 
>>>>>> is a
>>>>>> subset of all truth and only excludes unknown and unknowable.
>>>>
>>>>> Exactly, it doesn't include the unknown truths and ought to be called
>>>>> Known(X). It is also contradictory since it gives NO both for unknowns
>>>>> and their negation.
>>>>>
>>>>
>>>> *The key defining aspect of knowledge is that it is true*
>>>
>>> Which has been the eternal debate, how can we tell if some "fact" we 
>>> have discovered is true.
>>>
>>> In FORMAL LOGIC (which you just dismissed) truth has a solid 
>>> definition, and we can formally PROVE some statements to be true and 
>>> formally PROVE that some statements are just false, and thus such 
>>> statements CAN become truely established knowledge. There may also be 
>>> some statements we have not established yet (and maybe can never 
>>> establish in the system) which will remain as "unknown". That doesn't 
>>> mean the statements might not be true or false, just that we don't 
>>> know the answer yet.
>>>
>>
>> This can be incoherent unless complete semantics is fully
>> integrated into the formal system.
> 
> Note that the order of the presentation is important. Before you can
> present any semantics of anything you must already have presented at
> least the syntax and semantics of everyting you are going to use in
> the presentation of the semantics.
> 

That is incoherent.

We define generic grammar capable of expressing
the full semantics of all of natural language.
Montague grammar embedded in a knowledge ontology
is a good start.

lymphodepleting Chemotherapy today not much time to talk.

-- 
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer