Although it can have a variety of meanings in philosophy, truth generally refers to conformity with fact or reality.

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Is “Truth” something like a Dirac Delta Function?

To me, Truth is simply what is the case. It is not a matter of reasoning, and it could not be otherwise. Knowledge is a set of beliefs which accord with reality (what is true). Beliefs can be false. ...
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Granted Hume's psychological perspective regarding impressions and ideas, doesn't this make his epistemology obscure?

Hume held that all that was meaningfully present to the mind consisted in matters of fact (impressions) and relations of ideas. But even ideas were faint impressions themselves, formed over time by ...
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What is the difference between real and nominal definitions?

What is the difference between real and nominal definitions? Is it philosophically accurate to say that real definitions (as opposed to nominal definitions) can be true or false? Take for example, ...
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What is the relation between proof and observation?

Recently in his 2015 Hirzebruch Lecture in Bonn, Arthur Jaffe re-amplified his famous perspective that finding proof in mathematics is analogous to making experimental observation in physics. In ...
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What is the philosophical difference between “Reality” and “Truth”? [closed]

While talking philosophically, I want to know the difference between Reality and Truth. Especially while Asking this question, I've used Reality/Truth because I don't know How they are different in ...
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100 views

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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Using the conception of 'reliable, unchanging' does 'truth' exist?

An 'archaic' definition for TRUE,TRUTH implies constancy, reliability, unchanging, fidelity. Using this concept of TRUTH is the following valid? There exists either that which is TRUE or that which ...
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64 views

Why does one need 'proof' that God exists - What constitues 'proof'?

Does something need to have proof demonstrated for it to be true? If I say "I love my wife!" but you don't buy it... does that mean it is not true?
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How does strong evidence imply truth?

I have seen a great number of individuals who take a step from "There is overwhelming evidence to suggest theory X is true" to "Theory X is true." (I think I misworded the former sentence ...
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Truth and wavefunction [closed]

Well to be honest, my major is physics. And I only started some low level philosophy recently. So please criticize my opinions so that I can advance more quickly. :-) My problem started with ...
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104 views

What are Nietzsche's views on truth and logic - for real this time

I'm trying to make sense of Beyond Good and Evil and Nietzsche's views at that time. The claims he makes about truth and logic seem problematic to me: "Granted, we will truth: why not untruth ...
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123 views

What is the current state of the Correspondence Theory of Truth?

Is the Correspondent Theory of Truth currently the most important way of thinking about the nature of truth? What alternatives are important? Is there a version of the Correspondent Theory of Truth ...
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55 views

Relation between an argument and false premise on Knowledge

If I argue something from a premise such as "It's raining where I wrote this question" which is contingent false, then is it true that I could argue or deduct anything? For example, from the premise ...
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Is there a content based equivalence of statements, separate from truth tables?

Consider the following truth table for the "equivalence" statement P | Q || P⇔Q T | T || T T | F || F F | T || F F | F || T which we define to be true when both the truth values of P and Q are the ...
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79 views

What is the relationship between meaning and truth? [closed]

For all I can see, a sentence (or a string of symbols, etc) can only have a truth value if it is meaningful. What does this entail vis-à-vis the relationship between meaning and truth? Are a ...
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157 views

Absolute Truth - Is there existence?

I restate the question in a simpler and more specific way; is there a proof or has a philosopher proved, that things can be absolute and observed by each in the same way? Are there like conserved ...
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87 views

Can correspondence and coherence views of truth be compatible?

If in the course of interacting with an external world, a person is creating a set of coherent knowledge about this world, then there should be a mapping between their beliefs and the external facts. ...
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165 views

Finding a clear difference between truth and fact [duplicate]

I have been starting back in school after a long hiatus. In one of my classes, a discussion of Truth began. The problem I have had is that no one seems to have a solid definition between the two. ...
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Is everything just an opinion?

I read some people don't believe in truth but do believe there is always a chance that x. I have a question about such thought. I recently heard an anecdote that says nobody can ever prove I ate ...
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172 views

Is it possible to prove the invalidity of logic without using logic?

Is it possible to validly invalidate logic without using logic? Mere assertion gives rise to the question, "How do you know?". At that point, you end up having to use logic to justify the thesis ...
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Do questions about the ultimate truth make sense? Are we capable of understanding the system in which we live? (Looking for directions/references)

I am recently reading a lot about topics like free will or consciousness. It seems that many philosophers are trying to argue about these concepts in an ultimate and final way, that means they are ...
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72 views

Fundamental Truths in Philosophy [duplicate]

Many years ago I took a philosophy class that covered Descartes. The teacher logically explained to us the "I think Therefore I am" over the course of a week. He also said that it was one of the ...
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85 views

Truth and actuality

J. Krishnamurti and Prof. David Bohm discuss the topic of truth and actuality (reality). They touch on reality however in my opinion and understanding don't clarify or define truth. For example, ...
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131 views

Truth Tables and Venn Diagrams: Prove Contingent statement are consistent [closed]

I am trying to prove how consistent statements can be contigent. The problem i am having how to use a truth table to prove this.
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Do malformed propositions have True/False values?

Many people are familiar with the malformed questions that, no matter which way they are answered, reflect poorly on the person to whom they were asked. For example: Have you stopped beating your ...
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Is truth inherent in honesty? [closed]

Is truth inherent in honesty? In other words, may we establish a correlation, an isomorphism if you will, a functor, perhaps a forgetful one? Between truth and honesty? Pardon me, this question is ...
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328 views

If all the premises of an argument are true, is the argument logically valid?

Where an argument is said to be logically valid "if and only if it is not possible for the premises to e true and the conclusion false". I know that the argument is indeed logically valid if all the ...
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154 views

An Argument for the Unity of Truth?

I was thinking about truth, and came up with an outline for an argument that there is only one truth. However, this is just an outline and it is flawed, so I'm hoping you can help me critique and fix ...
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79 views

What's the difference between true statements and real information? [closed]

In Sweden we have legislation about "Osant intygande" - "Untrue verification" e.g. false and fabricated Ph D diploma or similar "Oriktig uppgift" - "Not a real piece of information" e.g. ...
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108 views

On the foundations of physics

Scientific theories in physics have to be validated by experiments. But experiments are to be interpreted in the context of scientific theories. Isn'it like a snake biting its own tail? For example, ...
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Truth in Aquinas metaphysics

From what I'm reading, Aquinas distinguished truth in two senses: Ontological truth: It's the adaptation(adequation ?) of the 'created being' to God's understanding, whereby it fulfils that for ...
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English Sentence to Logical Proposition Doubt

I am a newbie to Stack-Exchange and if there is any problem in my question -- I apologize beforehand . I was working my way through some Propositional Logic Questions in Discrete Maths by Rosen , ...
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59 views

Double arrow elimination

I know that P <=> Q becomes (p => q) ^ (q => p)using double arrow elimination but how about the following ? ~(P <=> Q) becoming ~(p => q) ^ ~(q => p) ? Also (~P <=> Q) ...
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Did Friedrich Nietzsche believe in “the truth”?

It is well known that Friedrich Nietzsche was very condemnatory of the objective truth, however, while analyzing his words, it is difficult to ascertain whether or not he believes in the truth at all. ...
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70 views

What if the tallest height is considered the most beautiful? [closed]

What if some people defined the tallest height is considered the most beautiful? Some philosopher claimed that the most beautiful human doesn't exist. Can there be any "most beautiful" human?
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How to prove the axiom is wrong?

The father of math (Euclid) wrote a book named Elements. The book is full of axioms and here are some of them I am interested in: Things equal to the same thing are also equal to one another. ...
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164 views

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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227 views

When is an opinion wrong and why exactly? [closed]

People say that it's not an opinion when it's verifiable, or backed with up conclusive facts. "Conclusive facts" are subjective though, and vary from testing. An example would be an argument over the ...
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How can anyone justify conspiracy theories / scietific 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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Question regarding ethics of the human to the dog relationship

I'm in the process of treating an elderly diabetic dog(diabetes in dogs is manifested very closely to the one in humans) and constantly hitting the wall of ethics(in my view) regarding human-dog ...
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Roko's Basilisk as Descartes' evil genius?

I'll try to pose a shortened version of Roko's Basilisk below and then ask about how it relates to Descartes' evil genius: The idea is that down the line may it be decades or centuries from ...
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What are the implications of spreading stories that are fake solely because they support a opinion?

I see quite often on many social mediums, the radio, news, as well as advertisements everywhere statements that are untrue or are misleading that support certain opinions. I think it is completely ...
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140 views

Supervaluationism and Theories of Truth

How does the supervaluationalist defend his/her theory of truth since the correspondence theory of truth seems to presuppose bivalence? It would seem then that the only truth is Super-Truth. And, the ...
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568 views

Why is Tarski's semantic theory of truth formally correct and materially adequate?

In "The Semantic Conception of Truth and the Foundations of Semantics" (1944) Alfred Tarski asserts that a satisfactory definition of truth must be both formally correct and materially adequate. A ...
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Is there such a thing as a 'necessary truth'?

Wikipedia (note the redirect) defines 'necessary truth' as statements which "could not be untrue", and I assume that this is how the term is usually used. A search through the SEP shows that while ...
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Are mathematical statements necessary truths?

I apologize if a similar question has been asked here, but I haven't found it. Are mathematical statements necessary truths? By 'mathematical statements', I mean both mathematical axioms as well as ...
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The Truth-Falsehood Dichotomy and Logic

Some philosophers argue against truth bivalency, and say that not every statement must be true or false, but some statements can be untrue without being false, or truth-ambiguous, or both true and ...
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Could a scientific unification theory and scientific method itself be misleading?

I aspire to one day be a scientist (specifically an astrophysicist) and I have been reading up on many novels (like those of Asimov) which look into the development of humanity. I know that our ...
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What are the philosophical implications of Tarski's truth definition?

I am a Math student currently taking my Master's Degree, and last semester I took an introductory course on Mathematical Logic. One of the subjects we covered there was Tarski's truth definition; and ...
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Why do many people derive comfort from the belief in an objective reality?

Many people derive comfort from the idea that there is an objective reality, and that there are objective truths, independent of our own individual subjective perceptions. Why should this be so? Why ...