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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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Is university research a guarantee for accuracy of theory?

Is university research a guarantee for accuracy of theory? I think and speculate that no and on the contrary the "status" of academic degrees and university relationships are used to "validate" even ...
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Is there modal logic without possible worlds?

Would it be desirable to carry out a deflationary research programme in modal logic? In other words, would it be desirable to re-think modal logic without the possible worlds semantics? The original ...
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Should truth entail possible truth?

It is a well-accepted axiom of modal logic that truth implies possible truth. Is there any philosophical argument against this conclusion? In other words, should truth entail possible truth?
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What's the role of certainty in discussions about philosophical positions?

Karl Popper was one of the twentieth century’s preeminent philosophers of science. He was an avowed realist who was dedicated to the correspondence theory of truth. In his seventh decade of life, ...
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Is fallibilism a better option than absolute certainty?

Fallibilism is the epistemological thesis that no belief (theory, view, thesis, and so on) can ever be rationally supported or justified in a conclusive way. Always, there remains a possible doubt as ...
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Are there exceptions to the principle of the excluded middle?

It is inherent in our truth tables that we configure a statement to be either true or false, but it seems that this might have certain exceptions, especially in conditionals. For example, the ...
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What is the connection between objective uncertainty and truth as subjectivity in Kierkegaard?

I just want to understand clearly what is the possible connection between the objective uncertainty and the truth as subjectivity of Soren Kierkegaard. Since we cannot find much in his books his ...
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How can we be certain that we cannot be certain?

I read a lot about people saying that it is impossible to be certain about anything with 100% certainty, but that means that this rule in and of itself must be true 100%. I mean the rule that "we ...
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Frege: Truth as an expression of assertoric force

I am writing an essay on Frege's redundancy theory of truth. As far as I have read, his theory is that the word 'true' does not add anything to the thought of a sentence in which it appears, however, ...
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Did any philosopher make the claim that mathematics can be as illusory as visual information?

The Greeks postulated that the world we observe may be just an illusion and Kant based some of his philosophy on that very idea. From that idea, came the idea that mathematical truths are more certain ...
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Do good explanations have to be true?

Is it so that whenever one gives an explanation to a question starting from 'why' or 'how' the explanation that we receive in return always is true in nature? From one perspective, an explanation is ...
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What are some philosophical arguments that explain why mathematics allow us to reach a greater truth than empirical evidences?

Is it really the case? Was there a proof of sort that shows mathematical facts are more certain than empirical facts? What are the arguments for and against that claim?
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Is there any philosophy that associates the absolute truth with monism?

I never know what people mean by absolute truth, it sounds like they're referring to a truth above all truths, but there are many truths. So I was wondering if there were a lot of philosophy that ...
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Why should I trust experts - and what's the place of experts in a democracy?

If we trust experts, do we then elevate them as determiners of the truth? When we trust our surgeon to do a good job in surgery because he is an expert, do I forfeit my right to criticize experts on ...
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How is the truth multiple things?

For the philosopher, the Truth must be a surprisingly intractable concept. Truth has been called subjective, relative and plural. Also intriguingly: Truth is relative and plural. Now I realize this is ...
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Did Nietzsche violate Christian morality in his life? Was he urging anyone to do so? [closed]

Did Nietzsche violate Christian morality in his life, in his behaviour? Was he urging anyone to do so? He seems to have had a long standing grudge against it.
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Is there any way to gain “truth”/accuracy in social truth? How?

Is there any way to gain "truth"/accuracy in social truth? How? What seems to make it difficult is that I don't know if social truth has any generally accepted epistemologies, truth deduction ...
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The difference between soundness and completeness

Is anyone able to articulate the difference between the properties of soundness and completeness insofar as they relate to the validity of the tree test?
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Is 'truth' abstract or concrete?

I'm reading Mathematics: Its Content, Methods and Meaning. The authors make what is to me a surprising claim: To put it briefly, truth is concrete; and it is particularly important to remember ...
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Under what definitions of truth and knowledge (especially Bayesian) are 'definitely knowing' and 'certain' different

Under what definitions of truth and knowledge are 'definitely knowing' and 'certain' different? Apologies if too much of a semantic question, but I think we should agree that we can have a sense of ...
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On Truth and Lying

If A, consciously, reports false data to B, and B (or anyone else) has no way to verify, then no one can make the statement, "A lied". So, there exists no such person with respect to whom A lied. ...
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Does Reality change when theory change?

I was going to include a caveat to prove a premise: to show that truth has become more subjective and then proceeding from older to newer theories of truth, I would cite a survey showing how ...
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What does Tarski mean when he says that truth is a property of sentences?

A fundamental statement of Tarski's Theory of Truth is that truth is a property of sentences. What does this statement mean? What kind of Truth is it referring to? What is the formal definition of '...
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Truth Claims - Free Will - Determinism

In this video, Ravi Zacharias when asked how we can have free will if God already knows what we are going to do, says the following: "The moment you make a truth claim you are rising above the ...
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Can a relativist also be an absolutist about truth?

If your starting point is relativism (the view that there is no truth 'out there' because truth is subject to the individual) then you could deny the law of non contradiction. With this law out of ...
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Anything that is wrong involves some kind of imbalance (true or false?)

I had a friend who claimed this to be true: Anything that is wrong involves some kind of imbalance Examples where it works: Overweight. Imbalance in the amount of calories eaten and calories ...
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Truth in Science vs. Truth in Math

Two scientists independently try to solve a problem to predict a certain phenomenon. The two scientists come up with different answers, but both of their solutions seem logical to each other. How do ...
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How to disprove “I'm entitled to my opinion”

Background There is an article in The Conversation that attempts to disprove the notion that people are "entitled to their opinions." That is, people have a right to believe whatever they wish. I ...
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How can truth exist if every statement is ambiguous? [closed]

I have read online and personally believe that every statement has some degree of ambiguity to it. With this in mind, I was wondering how any propositions can be true. For example, I have heard some ...
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According to St. Thomas Aquinas, do “being” (ens) and “truth” (verum) differ?

In his Disputed Questions on Truth q. 1 a. 1 arg. 3, St. Thomas Aquinas presents an argument against "that the true (verum) is exactly the same as being (ens)": 3. Things which differ conceptually [...
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References discussing self-evident truths?

I am interested in philosophical or logic-based texts that discuss the nature of self-evident truths, which seem related to Alvin Plantinga's discussion of so-called properly basic beliefs. I am more ...
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Arendt on Factual Truth in “Truth and Politics”

I'm reading Hannah Arendt's "Truth and Politics" (1967). I thought I was getting it, but then I read two statements that to me, seem to be in conflict with one another: "Factual truth, on the ...
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Would Popper's philosophy become pragmatist without the idea of getting closer to “The Truth”?

Popper believed that scientific knowledge is obtained through conjectures and refutations; the refutation of Newton's theory by Einstein is an example. He also believed that in this way science ...
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Dynamic concept of “truth”

I've recently read a book in which a certain sentence sparked a question in my mind: "the Platonic philosophy is a search for truth, the certain truth. Such truth... is necessarily static" (...
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Why might truth imply necessity?

It seems well established (or, well-accepted) that necessity implies truth. For instance, in a context of epistemic logic, if one knows A, then A is true. On the other hand, I found on the Internet ...
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What makes Humans different from a chemical computer?

Are we all robots? Is our DNA the 0's and 1's of computer code? Are we an advanced computer system, with instead of keyboard and mouse input... input from our senses. Our database being our brain ...
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Where do thoughts come from?

When the next thought comes, try to catch its source. Is there an entity "you" there? Or does the thought come from silence/nothingness? Is this "you" is just a thought that comes from this silence/...
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If descriptive statements can be objective, why can't prescriptive statements? [closed]

Morals are just behavioral prescriptions carried out by some entity, a moral carrier. For a behavioral prescription to be valid, it must have a moral carrier. No moral carrier means no behavioral ...
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What makes our words different than symbols like X?

There is an issue that blurs my head. For instance, lets have a proposition p that says: “X is round”. X is a symbol that we could mark something into. If we say X is an orange fruit, then the ...
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Authors on Truth over Illusion to achieve happiness

It is accepted that white lies and creating fantasies is sometimes needed to deal with psychological pain specially with children. Sometimes reality is hard to deal with therefore people tend to ...
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What's a Good Introduction/Summary to Probabilistic Logic?

I hadn't even heard of Probabilistic Logic before today. My world view was already leaning in this direction as I never really put much stock in either the law of the excluded middle or the principal ...
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What distinguishes logical necessity, logical consequence, logical truth, and tautology from one another?

The text I'm reading distinguishes logical necessity, logical consequence, logical truth, and tautology from one another; however it doesn't make their distinctions especially perspicuous. As far as ...
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Burden of proof amid a temporal sequence

Say doctrine A claims premise X to be true, and Y to be false. Say doctrine B claims premises X and Y to be true. There is some sense (I believe; you might want to confirm), in which the "burden of ...
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Why is belief necessary for justified true belief?

In justified true belief it is said that for a person to know a fact it must be true, she must believe in it and she must be justified in believing it. My question is: Is belief necessary? Why is the ...
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Authors that wrote on how to look for the truth efficiently?

The human mind is perhaps not efficient when it comes to looking for the truth, specially when you are emotionally attached to an idea about any subject such us close relatives, God, your government, "...
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Is Tarski's schema T trivial?

Tarski's schema T asserts that: (T) x is true if and only if p where x is the name of any sentence of the language in question and p is the expression which forms the translation of this sentence ...
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Is it possible to know the truth value of a statement without knowing any information about that statement?

Is it possible to know the truth value of a statement without knowing any information about that statement? If no, then to me that would imply that truth values are not absolute and depend on how we ...
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Is it possible to define argument validity as a formula?

Let A, B and C be propositions. Define ARG(A, B, C) as the following argument: A. B. Therefore, C. My goal is to create a formula whose truth value is equivalent to "ARG(A, B, C) is ...
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Can my attitude kill you?

Would it be morally reprehensible to tell a truth to someone if I know or suspect that it may cause them harm or discomfort? Of course there are trivial instances like telling a dying man he is going ...
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Is “all truth is relative” an absolute truth?

All truths are relative, and this is the only absolute principle. wrote August Comte. Anyway a radical relativism poses a serious problem: if every truth is always relative, is the latter an ...