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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Truth values of sentences

Frege proposed that the meaning of a sentence is its truth value in "Über Sinn und Bedeutung" (close to "On Name and Meaning"). This is not correct because some (many) English sentences do not have ...
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Do we have a right to know some things?

Do we have a right to know some things? Obviously you don't have a moral right to know what I had for breakfast today -- though you might be able to find out [it was pizza]. And we have a right to ...
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The truth of statements which do not capture everything about the object [closed]

Logically it could be true to say: "All human beings are mortal (and therefore Peter is mortal because Peter is a human being)." But the above statement could be false in a sense, because mortality ...
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Does every truth have to be provable based on evidence?

I know the answer is "no" in general due to Gödel's Theory of Incompleteness, but I mean this question in a more real-world sense (i.e. scientific sense). In other words, I am talking about empirical ...
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Did any philosopher promote a “pure” pragmatic conception of truth?

William James often associated truth with usefulness (utility), but overall his conception of truth was not pure in this regard. It shares some elements of the correspondence and coherence theory. For ...
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Is there consensus on the framework of truth one should use when talking about moral statements?

My understanding is that for a moral realist, moral statements are propositions that have a true/false property that can guide reasoning. However, most articles I have read do not talk about what ...
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289 views

Did medieval philosophers believe that Truth is causally active?

From the modern standpoint, truth is about propositions or beliefs. Getting true beliefs is not something that just comes to us by itself; evidence has to be gathered by us, we have to reason, ...
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The future in the deflationary theory of truth

How does the deflationary theory of truth, which defines true and false in the following straightforward way The proposition that p is true iff p. The proposition that p is false iff p is not ...
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Is it ethical to research potentially harmful topics? [closed]

Some truths are very unpleasant. Some fields may even be unpleasant to research, because the researcher may wind up discovering something very disconcerting about the world. Should we investigate ...
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Noam Chomsky vs 9/11 Truth movement. Is Noam's Logic legit?

When Noam Chomsky was asked about what he thought about the collapse of building 7 at the University of Florida in 2013, he replied that only a minuscule part of the scientific community backed up the ...
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Are there recent coherence theory of truth for mathematical truths?

Are there any recent works (papers, books, etc) in philosophy of mathematics where it is given an account of mathematical truth in terms of a coherence theory of mathematical truth? I am interested ...
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What does it mean for a statement if we cannot disprove it?

In the following link (http://www.importanceofphilosophy.com/Metaphysics_ExistenceExists.html) the authors are basically arguing that there exists some truth that we cannot disprove by any other ...
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Is every sentence we write or utter either true or false? [closed]

Please read the complete description before putting any answer / comment, Thank you. I've been just thinking through this question which I can frame it like this: Can I write or utter any sentence ...
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How can we reach or realize the truth when our senses fail us?

Let us suppose that I'm phoning someone abducted or kidnapped and the criminal who kidnapped him is aiming the gun at his head and ordering him to lead me to the trap he has set for me (in this case ...
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Ramifications of a world of unrestrained truth [duplicate]

Are there any papers/books/studies on the ramifications of a theoretical world of unrestrained truth, meaning no secrets? A part of the motivation for this question is the fictional show, Code Geass, ...
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A world where nothing can be hidden. No lies, always truth

In a Bollywood movie Pk, a man comes from a planet where lying is not possible as all the thoughts/knowledge is transferable via human contact. Due to which they do not have to lie about anything or ...
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Interpretation of Nietzsche's “We have art in order not to die of the truth.”

Can someone please shed some light on the following quote given by German Philosopher Friedrich Nietzsche:- We have art in order not to die of the truth. As far as I can comprehend, he wants to ...
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How did Aristotle or St. Thomas resolve the liar's paradox?

How did Aristotle or St. Thomas Aquinas (such as in one of his commentaries on Aristotle) resolve the liar's paradox?
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Is it possible to prove that a particular statement cannot be disproved without creating a contradiction?

In the following link (http://www.importanceofphilosophy.com/Metaphysics_ExistenceExists.html) the authors are basically arguing that there are statements that we cannot deny without contradicting ...
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A Paradox for Anti-Realism?

Semantic Anti-Realists hold that a claim has a (constructive) proof if the claim is true. I wonder whether this position runs into a version of Yablo's supposedly non-circular version of the liar ...
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How do we call a statement that is unthinkable for any person to not be the case? [duplicate]

The example of such an unthinkable or unimaginable thing for a person could be non-existence, therefore argument against existence seems to be so absurd. Aren't we calling such things axioms or ...
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Do we have a name for the following axiom?: We can never know for sure whether we know everything that exists

Let's assume that our words and sentences are able to describe the truth. It is clear that whatever we know - even if we have knowledge about an entire universe and every position and momentum of its ...
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Is mathematics truth?

In mathematics there are imaginary numbers which cannot be represented directly in reality (the physical world). For example, you can't have i apples where i = √-1 (square root of -1) Can we ...
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Ref request: Reality objective or subjective

This is a request for a reference on (within) philosophy.stackexchange.com. It follows from discussions around this question. I am asking after having tried my luck at websearch. What I am searching ...
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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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Is it true in some sense that the only “truth” people are capable of knowing is the “truth” that they assume to be true?

What are some viewpoints on the following assertion in philosophy and logic? Anything people argue to be true is only their assertion based on some axioms or premises which they assume to be true (...
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Scientific truth vs. mathematical truth

It is said that in the real world nothing can be proven to be absolutely true because there is always a way for a statement to be disproved by a counterargument. For example, a person "A" could say ...
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How can anyone justify conspiracy theories / scientific skepticism

The number of conspiracy like theories is exponential. http://en.wikipedia.org/wiki/List_of_conspiracy_theories Here are the most famous. How many of these have achieved any tangible success ...
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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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Doubt about the possibility of knowing someone is actually saying the truth [closed]

Except for a few cases in which you can have proof someone is saying the truth, can you actually ever know if someone is being honest when they say things like "I love you", "this is nice" or "you ...
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The Difference Between Truth and Reality. And what does fact stand for?

I'm interested in the different forms of actuality. Fact For me fact must be a constant, base level of deducted 'fact'. Something that cannot be disproved. For instance, fire is hot. Fact is ...
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Suppose there's more to metaphysics than what is true: then so what? [closed]

Suppose there's more to metaphysics than what is true: then so what? Can it be shown that reality is not exhausted by what is true about it: which philosophers have tried to do so? What is reasonable ...
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How is Wittgenstein’s “notorious paragraph” about the Gödel's Theorem not obviously correct?

Timm Lampert quotes from Wittgenstein's "notorious paragraph" (§8 of Remarks on the Foundations of Mathematics, Appendix 3) in http://wab.uib.no/agora/tools/alws/collection-6-issue-1-article-6....
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What are the differences between conditional and relative truths?

I thought they meant the same thing, but after asking about it in a philosophical forum, I was told they are different, but how so? Are there universal meanings attributed to "conditional truth" and ...
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Can a sentence without a truth value be true?

I was doing some very, super, light reading on self reference. It seems to me that the statement nothing that I say is true both: cannot be understood with the T-schema; is self referential. - ...
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What is the difference between Adorno's 'fragmentation' and post-modern art's fragmentation?

the most authentic art is modernist art which reflects in its own fragmentation the fragmentation of society. What is the difference between Adorno's 'fragmentation' and post-modern art's ...
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Language confusion; necessary/nomological/true in all worlds

I got confused by the way different people use language in the context of physicalism. In particular, Kripke seems to equate "necessary truths" with something that is true in all possible worlds. Is ...
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Circularity between truth and meaning?

These two common claims are equally appealing: (1) the meaning of a ( declarative) sentence consists in its truth conditions (2) the truth of a sentence depends on its meaning But are we moving ...
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What are the identity conditions for “ a truth” [closed]

Here I'm not talking about "truth" in general ( as when one says " truth is correspondence between thought and reality") but about truth considered as a particular truth, as when one says " this ...
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Has any consensualists written on Wittgenstein?

"This was our paradox: no course of action could be determined by a rule, because any course of action can be made out to accord with the rule" - Wittgenstein This paradox is purported to call ...
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What is the division of philosophical doctrines with respect to absoluteness/relativity of truth?

Right now I am listening to a talk on youtube which starts with the declaration "of course we all know truth is a relative notion". There are certainly some directions in philosophy which accept this ...
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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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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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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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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 ...