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  2. Principle of explosion - Wikipedia

    en.wikipedia.org/wiki/Principle_of_explosion

    The metamathematical value of the principle of explosion is that for any logical system where this principle holds, any derived theory which proves ⊥ (or an equivalent form, ) is worthless because all its statements would become theorems, making it impossible to distinguish truth from falsehood.

  3. Criteria of truth - Wikipedia

    en.wikipedia.org/wiki/Criteria_of_truth

    This necessity is driven by the varying, and conflicting, claims of different philosophies. The rules of logic have no ability to distinguish truth on their own. An individual must determine what standards distinguish truth from falsehood. Not all criteria are equally valid. Some standards are sufficient, while others are questionable. [1]

  4. Redundancy theory of truth - Wikipedia

    en.wikipedia.org/wiki/Redundancy_theory_of_truth

    The truth claim arises in each case from the form of the declarative sentence, and when the latter lacks its usual force, e.g., in the mouth of an actor upon the stage, even the sentence "The thought that 5 is a prime number is true" contains only a thought, and indeed the same thought as the simple "5 is a prime number." [1] In 1918, he argued:

  5. Direct proof - Wikipedia

    en.wikipedia.org/wiki/Direct_proof

    Traditionally, a proof is a platform which convinces someone beyond reasonable doubt that a statement is mathematically true. Naturally, one would assume that the best way to prove the truth of something like this (B) would be to draw up a comparison with something old (A) that has already been proven as true. Thus was created the concept of ...

  6. Truthiness - Wikipedia

    en.wikipedia.org/wiki/Truthiness

    Stephen Colbert, portraying his character Dr. Stephen T. Colbert, chose the word truthiness just moments before taping the premiere episode of The Colbert Report on October 17, 2005, after deciding the originally scripted word – "truth" – was not absolutely ridiculous enough: "We're not talking about truth, we're talking about something that seems like truth – the truth we want to exist ...

  7. List of fallacies - Wikipedia

    en.wikipedia.org/wiki/List_of_fallacies

    False authority (single authority) – using an expert of dubious credentials or using only one opinion to promote a product or idea. Related to the appeal to authority. False dilemma (false dichotomy, fallacy of bifurcation, black-or-white fallacy) – two alternative statements are given as the only possible options when, in reality, there ...

  8. Epistemic theories of truth - Wikipedia

    en.wikipedia.org/wiki/Epistemic_theories_of_truth

    On this conception, a truth-conferring perspective is something transcendental, and outside immediate human reach. The idea is that there is a transcendental or ideal epistemic perspective and the truth is, roughly, what is accepted or recognized-as-true from that ideal perspective. There are two subvarieties of transcendental perspectivism:

  9. Lie detection - Wikipedia

    en.wikipedia.org/wiki/Lie_detection

    There were five experimental procedures used in this study. Study 1–3 asked participants to speak, hand write or type a true or false statement about abortion. The participants were randomly assigned to tell a true or false statement. Study 4 focused on feelings about friends and study 5 had the students involved in a mock crime and asked to lie.