Re: Truthmaker Maximalism and undecidable decision problems --- the way truth really works

On 6/12/2024 6:33 AM, Richard Damon wrote:

On 6/11/24 11:17 PM, olcott wrote:

On 6/11/2024 9:37 PM, Richard Damon wrote:

On 6/11/24 9:57 PM, olcott wrote:

On 6/11/2024 8:44 PM, Richard Damon wrote:

On 6/11/24 12:06 PM, olcott wrote:

On 6/11/2024 2:45 AM, Mikko wrote:

On 2024-06-10 14:43:34 +0000, olcott said:
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Those laws do not constrain formal systems. Each formal system specifies
its own laws, which include all or some or none of those. Besides, a the
word "proposition" need not be and often is not used in the specification
of a formal system.
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*This is the way that truth actually works*
*People are free to disagree and simply be wrong*

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Nope, YOU are simply wrong, because you don't understand how big logic actualy is, because, it seems, your mind is to small.
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Every expression of language X that is
{true on the basis of its meaning}
algorithmically requires a possibly infinite sequence of
finite string transformation rules from its meaning to X.

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Unless it is just true as its nature.
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Which Mendelson would encode as: ⊢𝒞
A {cat} <is defined as a type of> {animal}.

 So, what is that statements truth-maker?
 And the truth-maker of that?
 You need a set of "first truth-makers" that do not themselves have something more fundamental at their truth-makers.

I have always had that and told you about it dozens of times.
Some otherwise meaningless finite strings are stipulated to be
true thus providing these finite strings with meaning.
https://liarparadox.org/Meaning_Postulates_Rudolf_Carnap_1952.pdf
Bachelor(x) <entails> ~Married(x)
If there really is nothing anywhere that makes expression
of language X true then X is untrue.
This covers every truth that can possibly exist, true by
definition, true by entailment, true by observation, true
by an infinite sequence of truth preserving operations.
If nothing makes X true then X is untrue.

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When we ask the question: What is a truthmaker? The generic answer is
whatever makes an expression of language true <is> its truthmaker.
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But logic systems don't necessaily deal with "expressions of language" in the sense you seem to be thinking of it.
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Finite strings are the most generic form of "expressions of language"

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And not all things are finite strings.
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Every expression of language that is {true on the basis of its meaning}
is a finite string that is connected to the expressions of language that
express its meaning.

 And that just gets you into circles,

A tree of knowledge has no cycles. Willard Van Orman Quine
was too stupid to see this.
https://www.ditext.com/quine/quine.html

as the expression of language that expresses its meaning needs a truth-maker too, and that need one for it, and so one.
 

Some expressions of language are stipulated to be true
thus giving them meaning. Rudolf Carnap may have been
the first to formalize this with his meaning Postulates.
https://liarparadox.org/Meaning_Postulates_Rudolf_Carnap_1952.pdf
Bachelor(x) <entails> ~Married(x)

You need a primative base that is accepted without proof, as there is nothing to prove it, and that base defines the logic system you are going to work in.
 

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This entails that if there is nothing in the universe that makes
expression X true then X lacks a truthmaker and is untrue.

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Unless it just is true because it is a truthmaker by definition.
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That is more than nothing in the universe.
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but what makes the definition "true"? What is its truth-maker?
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Not everything has a truth-maker, because it might be a truth-maker itself.

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Basic facts are stipulated to be true.
"A cat is an animal" is the same basic fact expressed
in every human language and their mathematically
formalized versions.
>

 So, basic facts do not have a truth-maker in their universe.

True by definition is their truthmaker.

 But "A cat is an animal" is NOT a statement that is true in every system, as some systems might not HAVE a concept of "cat" in it at all, so that would be a non-sense expression, or might even define it to be something else.
 

*That has already been covered by this*
When we ask the question: What is a truthmaker? The generic answer is
whatever makes an expression of language true <is> its truthmaker.
This entails that if there is nothing in the universe that makes
expression X true then X lacks a truthmaker and is untrue.

YOu still keep on running into the problem that youu mind clearly doesn't understand that expresability of logic, and you are stuck just not understanding how abstractions work.

Not at all. The problem is that you have not yet paid
100% complete attention to ALL of my words.
--
Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer