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  2. Fitch's paradox of knowability - Wikipedia

    en.wikipedia.org/wiki/Fitch's_paradox_of_knowability

    Hence, the statement "p is an unknown truth" cannot be both known and true at the same time. Therefore, if all truths are knowable, the set of "all truths" must not include any of the form "something is an unknown truth"; thus there must be no unknown truths, and thus all truths must be known. This can be formalised with modal logic.

  3. Criteria of truth - Wikipedia

    en.wikipedia.org/wiki/Criteria_of_truth

    Their knowledge and familiarity within a given field or area of knowledge command respect and allow their statements to be criteria of truth. A person may not simply declare themselves an authority, but rather must be properly qualified. Despite the wide respect given to expert testimony, it is not an infallible criterion. For example, multiple ...

  4. Murphy's law - Wikipedia

    en.wikipedia.org/wiki/Murphy's_law

    Murphy's law [a] is an adage or epigram that is typically stated as: "Anything that can go wrong will go wrong.".. Though similar statements and concepts have been made over the course of history, the law itself was coined by, and named after, American aerospace engineer Edward A. Murphy Jr.; its exact origins are debated, but it is generally agreed it originated from Murphy and his team ...

  5. Genetic fallacy - Wikipedia

    en.wikipedia.org/wiki/Genetic_fallacy

    In other words, a claim is ignored or given credibility based on its source rather than the claim itself. The fallacy therefore fails to assess the claim on its merit. The first criterion of a good argument is that the premises must have bearing on the truth or falsity of the claim in question. [ 2 ]

  6. No true Scotsman - Wikipedia

    en.wikipedia.org/wiki/No_true_Scotsman

    The description of the fallacy in this form is attributed to British philosopher Antony Flew, who wrote, in his 1966 book God & Philosophy, . In this ungracious move a brash generalization, such as No Scotsmen put sugar on their porridge, when faced with falsifying facts, is transformed while you wait into an impotent tautology: if ostensible Scotsmen put sugar on their porridge, then this is ...

  7. Truth-conditional semantics - Wikipedia

    en.wikipedia.org/wiki/Truth-conditional_semantics

    Truth-conditional semantics is an approach to semantics of natural language that sees meaning (or at least the meaning of assertions) as being the same as, or reducible to, their truth conditions. This approach to semantics is principally associated with Donald Davidson , and attempts to carry out for the semantics of natural language what ...

  8. Ken Olsen Remembered: Lessons of a Great American Entrepreneur

    www.aol.com/news/2011-02-08-ken-olsen-remembered...

    Olsen's company created many great products, but when the PC came along, his Not-Invented-Here blinders kept DEC from adapting. Nevertheless, Olsen was a technical and management pioneer who built ...

  9. Dialetheism - Wikipedia

    en.wikipedia.org/wiki/Dialetheism

    Dialetheism (/ d aɪ ə ˈ l ɛ θ i ɪ z əm /; from Greek δι-di-'twice' and ἀλήθεια alḗtheia 'truth') is the view that there are statements that are both true and false. More precisely, it is the belief that there can be a true statement whose negation is also true.