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Questions tagged [truth]

Theories of truth deal with questions such as: what are truths? what makes them true? what is the relation between truths and the things that makes them true? Not to be confused with "what is the truth", which is a completely different matter.

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Can you use a theory or rule to prove that exact theory or rule is wrong?

My question is this: if say I have a rule R, is it logically possible to prove R is wrong using R? Or is it simply not possible because if the hypothesis (that R is wrong) is true, then proving R is ...
Questioner of the Sibyl System's user avatar
3 votes
4 answers
391 views

Can true ever be false?

I'm new to this site and came from a programming background, so please forgive me for asking programming-related logic questions. First, some explanation for why I came up with this rather weird (but ...
Questioner of the Sibyl System's user avatar
6 votes
5 answers
762 views

In moral philosophy, how do researchers perceive what is right and wrong (and why)? (For humanity, as a whole) [closed]

My question considers what our definition of right and wrong is (i.e. what's the basis of deciding what right and wrong), along with the origin of right and wrong. In other words, what is the most ...
Kimaya Deshpande's user avatar
3 votes
6 answers
1k views

Where do we go if we gain knowledge of the absolute truth? [closed]

One of the fundamental questions that humans since the dawn of time have asked themselves is why are we here?, or how are we here?, how did all this happen to be? Philosophers try to answer these ...
8Mad0Manc8's user avatar
2 votes
4 answers
199 views

Is there a difference between "true" and "real"?

Is there a difference between "true" and "real"? If so, what is the difference? I am asking because I have heard those words used interchangeably, but I am wondering if there is a ...
user107952's user avatar
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1 vote
0 answers
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Is there a common first thing we all know as a fetus?

Is there a common first truth known to any fetus, and if there is what is it? I was thinking of Descartes' methodological doubt, wherein he arrived at the indubitable truth "I think therefore I ...
lee pappas's user avatar
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1 vote
2 answers
60 views

Is identity the consciousness or merely something emerging into consciousness by its close proximity to the intelligence and its process?

In the study of consciousness. The self (the identity that watches and listens, has opinions, makes comments). This self may say, "I am the consciousness that is intelligent because I think. I ...
marcticus's user avatar
4 votes
0 answers
58 views

Contradictory unprovable statements in Tarski's "The Concept of Truth in Formalized Languages"

In Tarski's "The Concept of Truth in Formalized Languages", he glosses over the proof of a difficult lemma. I am looking for help writing a proof of it. In Tarski's notation, it is: In ...
CGULL's user avatar
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2 votes
0 answers
75 views

Are truth-theoretic functions discretely or continuously separate?

The obtainment relation for states-of-affairs (SoA's) is very similar to the truth relation for assertions. The SEP goes so far as to ask: Pollock (1984a: 53) correctly observes that “obtaining and ...
Kristian Berry's user avatar
3 votes
1 answer
35 views

When it comes to the coherence theory of truth, is it still always assumed that only assertions/propositions enter into the truth relation?

Sometimes, we do use truth-talk in such a way as makes it seem like we might be attributing truth to things that aren't assertions/descriptions/propositions/w/e. There is, for example, the phrase &...
Kristian Berry's user avatar
3 votes
1 answer
103 views

are the usual quantified statements independent of domains of discourse?

let U be the property of being an unicorn and take the following proposition P = it's not the case that there is a x such that U(x).` P is a quantified proposition, and my question is: What is the ...
TRUTHS's user avatar
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4 votes
1 answer
52 views

Is it possible for an individual to adopt a new better general epistemic system?

In an epistemic system, I refer to the rules one decides based on which propositions are true and which are false, either consciously or unconsciously. We all have a general one that we use for ...
Neo Granicen's user avatar
1 vote
4 answers
154 views

How many things is a blob? [closed]

Imagine you have two types of play-do. You mix them up till you can't tell the difference between them but you have a machine that can split them up. How many types of play-do do you have in your hand?...
Wayne Irving's user avatar
2 votes
6 answers
336 views

Does the statement "only matter exists" denote a false proposition or a true proposition? [closed]

The proposition denoted by the English statement "only matter exists" has a truth value that's constant in time. I want to know if it's true. To answer the question, you need to know the ...
lee pappas's user avatar
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-1 votes
1 answer
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Do combinations defy logic? [closed]

At computers base they view everything through a lense of true (1) or false (0). Computers are the best logical machines we have created because of this but because of this a computer doesnt know what ...
Wayne Irving's user avatar
2 votes
3 answers
108 views

What does the essence of anything matter, if its effect is the same?

This came to me as a generalization of another question: What does the algorithm matter, if the input-output game plus performance is the same? And lead me to a rabbit hole of following philosophical ...
retrospace's user avatar
3 votes
3 answers
480 views

The fact/truth distinction and self-deception

One of the two main puzzles of self-deception, as reported in the SEP, is the static paradox ("How can one be in the state of self-deception?"): The dual-belief requirement raises the ...
Kristian Berry's user avatar
3 votes
7 answers
1k views

Can falsehood be measured? If so, would it be continuous or discrete?

This question occurred to me after reading the question "Does it make sense to say that one false scientific theory is closer to the truth than another?" From what I gathered, the only way ...
Hooman's user avatar
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1 vote
0 answers
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What are some arguments prominent philosophers have made for alethic relativism?

Alethic relativism is the view that truth is relative. I wonder, what are some arguments that prominent philosophers, both currently living and also those now dead, have made for that position? ...
user107952's user avatar
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2 votes
1 answer
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Derivation of Davidson's Slingshot Argument in Standard FOL

Davidson's slingshot argument employs two principles: Equivalence: If two sentences are logically equivalent, then they correspond to the same fact. Co-reference: Substituting co-referring terms ...
zzz's user avatar
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10 votes
13 answers
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Can religious, mystical, or spiritual experiences reveal truth?

To what extent can we acquire reliable knowledge about the world through religious, mystical, or spiritual experiences? Does the answer hinge on the context of these experiences? Does the answer hinge ...
user avatar
0 votes
2 answers
153 views

human life is based on suspicion and assumption, rather than certainty?

A murder occurred, so the police came to the house where the crime took place, and as soon as they entered, they found a person whose clothes were stained with blood and carrying a knife in his hand. ...
Muhhamedbinghazi's user avatar
5 votes
6 answers
1k views

Is it possible for truth to be set by humans?

Let's say I create a video game. Let's call it V. Then I set a rule in V that you need to find a car in the game and click on it to jump. Now we ask the question of how to jump on V. Someone replies ...
Neo Granicen's user avatar
19 votes
19 answers
4k views

If philosophy is based on reason and rationality, then why is there so much disagreement?

If philosophy is based on reason and rationality, then why is there so much disagreement? Is it due primarily to operating with different premises absent consensus on their truth, so that dissenters ...
Just Some Old Man's user avatar
2 votes
2 answers
155 views

Is there any valid Theory that Categorizes statements to levels of their truthfulness? [closed]

Is there any valid Theory that Categorizes statements to levels of their truthfulness? and if you consider this theory to be true what is the reasoning behind it? Because if we look we find that ...
Neo Granicen's user avatar
6 votes
4 answers
818 views

Illusionists about qualia: how?

I understand that the belief in qualia may be based on a sensual illusion, but I can't get my head around illusionism. Obviously, illusionists deny that we experience any illusion, we just believe (or ...
user avatar
1 vote
3 answers
110 views

More about vacuous truth

All my children in the yard are playing soccer. It is vacuously true if the speaker has no child. But if I parse the statement, is it "there are all my children in the yard and they are playing ...
user avatar
0 votes
2 answers
82 views

Why "two unicorns in my backyard are eating flowers" can't be vacuous truth?

"Two unicorns in my backyard are eating flowers". Why can't it be vacuously true even if there are no unicorns in my backyard? For all x, if x are two unicorns in my backyard, then x are ...
user avatar
2 votes
6 answers
253 views

How can I understand vacuous truth?

Vacuous truth has two types conditional statements (if) and universal statements (all). I intuitively understand why conditional statements can be vacuous truth but I don't understand why universal ...
user avatar
0 votes
2 answers
95 views

Vacuously truth in linguistics

I'm wondering because according to dictionaries, there's no truth value in it, but according to Wiki, it's a vacuous truth. the possibility in certain semantic systems of a statement being neither ...
user avatar
2 votes
4 answers
529 views

Do the senses themselves (not what they deceptively reveal) exist in some form? [closed]

Firstly, I accept that "I" probably don't exist, labelling a tree Barry and a baby child "Charlie" is the same useful construct for reference. Secondly, the statements "...
Demon's user avatar
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0 votes
5 answers
148 views

Can we prove the statement "truth exists"? [closed]

It seems that to prove this statement, you cannot assume the notion of true or false, otherwise its circular, meaning that the proof contains no reference to the concepts of true or false. This ...
Demon's user avatar
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1 vote
1 answer
104 views

What makes a philosophy better than others? What makes certain assumptions better or of more value?

How do you even consider a philosophical virtue, or even definition of virtue or knowledge to be true or even conception of true. Like, what makes certain philosophies better or worse? You can ...
FallCheetah7373's user avatar
11 votes
11 answers
3k views

Can axioms be false?

I have often wondered, can axioms be false? For example, I could take as an axiom that "Dogs don't exist", but that is false. To give a more mathematical example, I could take as an axiom ...
user107952's user avatar
  • 7,706
1 vote
2 answers
70 views

Logical statement, is the deduction correct?

I found a theorem that is like this: If A and B are true, then C is true if and only if D is true. In other words: Can we deduce, If D and ( not (A) or not (B) ) then not (C)? Of course "and"...
Mathisfreedom's user avatar
2 votes
2 answers
97 views

Is brevity the soul of wit?

The principle of parsimony is a fundamental philosophical tool. So, is modern philosophy over-complicated? Simplicity is also elegant. So is modern philosophy inelegant? As well as prolix, irrelevant, ...
Meanach's user avatar
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1 vote
1 answer
32 views

When truth or falsity are attributed to the liar sentence, is it a truth trope or a falsity trope that is attributed, rather than a Property of Truth?

I was reading the SEP article on tropes and in a section on semantics, it says: So when we say, "This is a false sentence," is the initial attribution of falsity equivalent to the ...
Kristian Berry's user avatar
1 vote
1 answer
31 views

If it is verisimilar that A, is it verisimilar that it is verisimilar that A?

Truthlikeness, AKA verisimilitude or a function of "proximity to the truth," is such as when we might say, "The number of planets (in the Earth's solar system) is 10," vs., "...
Kristian Berry's user avatar
1 vote
2 answers
104 views

Do we breakdown an explanation of the world into reductionism and holism?

We breakdown the world with an explanation of the truth, in having two schools of approach, the reductionist approach and the holistic approach. Is there another approach? Will both approaches arrive ...
8Mad0Manc8's user avatar
1 vote
1 answer
50 views

Facts and the denial of "Iff it is true that A, then it is true that it is true that A"

The SEP article on axiomatic theories of truth goes over a theory in which "the truth iteration axiom ∀A(T[TA] ↔ TA) is inconsistent." Apparently (and this sentence is an edit), it's ...
Kristian Berry's user avatar
2 votes
1 answer
106 views

Are debates in metaphysics usually substantive?

In the SEP article on truth, the author remarks The contrast [of the coherence theory of truth] with the correspondence theory of truth is clear. Far from being a matter of whether the world provides ...
Hal's user avatar
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0 votes
2 answers
80 views

If an unfalsifiable claim doesn't contradict known fact, is it harmful to hold?

Say panpsychism. It's compatible with physics, but I don't know how we could determine if an electron is conscious. I don't even know you're conscious! But if believing in it made one's life better, ...
Sayetsu's user avatar
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0 votes
1 answer
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Why is having true beliefs important? (More detail)

I forgot to keep track of my earlier asking of this question. Rather than make similar replies to many comments, I'll elaborate here. I'll use the example of panpsychism: it holds that natural laws ...
Sayetsu's user avatar
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5 votes
13 answers
3k views

Why is having true beliefs so important?

Of course, when you need to describe reality or make predictions about it, it's important that the beliefs correspond to reality, but say a religion makes an unfalsifiable and unverifiable claim. Does ...
Sayetsu's user avatar
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7 votes
12 answers
1k views

Is to be able to describe something to be able to judge that it's true or not?

Unicorns don't exist, but I can still describe unicorns as "unicorns have four legs". Does the statement "unicorns have four legs" have no truth-value or is it always false, ...
user avatar
2 votes
3 answers
960 views

There is nothing good or bad, but thinking makes it so. Are these words of Shakespeare,inspired by Marcus Aurelius, true?

This question is not about ethics. It is about our perceptions of positive and negative value. I take the original meaning of the great emperor to be that we have control only of our own thinking, and ...
Meanach's user avatar
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-1 votes
1 answer
108 views

Proof verification of god existence theorem

NB: My question was closed on math stack exchange. They advised me to post it here, but due to the lack of LaTeX formatting, I had to upload it as images. Apologies for that. I am a first year student ...
dyy's user avatar
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1 vote
2 answers
87 views

Can semantics work independently apart from philosophy? [closed]

"Colorless green ideas sleep furiously." It implies grammar can work independently apart from semantics. So I was thinking: "Can semantics work independently apart from philosophy."...
user avatar
0 votes
0 answers
34 views

According to Meinong's theory, is it false that all circles are not square?

According to Meinong's theory, "square circles are circles" is a true statement. Does it mean that "circles include square circles" is true, so is it false that all circles are not ...
user avatar
-1 votes
2 answers
126 views

Why don't people say a square is round?

If a round square exists as a concept, does it mean it exists? So, a square is round because it exists as a concept. But why do some people think "sqaure is round" is a false statement ...
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