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  2. Double negative - Wikipedia

    en.wikipedia.org/wiki/Double_negative

    Grammarians have assumed that Latin was the model for Lowth and other early grammarians in prescribing against negative concord, as Latin does not feature it. Data indicates, however, that negative concord had already fallen into disuse in Standard English by the time of Lowth's grammar, and no evidence exists that the loss was driven by ...

  3. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.

  4. Type I and type II errors - Wikipedia

    en.wikipedia.org/wiki/Type_I_and_type_II_errors

    False negatives produce serious and counter-intuitive problems, especially when the condition being searched for is common. If a test with a false negative rate of only 10% is used to test a population with a true occurrence rate of 70%, many of the negatives detected by the test will be false.

  5. Latin conditional clauses - Wikipedia

    en.wikipedia.org/wiki/Latin_conditional_clauses

    Conditional clauses in Latin are clauses which start with the conjunction sī 'if' or the equivalent. [1] The 'if'-clause in a conditional sentence is known as the protasis, and the consequence is called the apodosis.

  6. 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 ...

  7. Yes and no - Wikipedia

    en.wikipedia.org/wiki/Yes_and_no

    Some languages, such as Latin, do not have yes-no word systems. Answering a "yes or no" question with single words meaning yes or no is by no means universal. About half the world's languages typically employ an echo response : repeating the verb in the question in an affirmative or a negative form.

  8. Double negation - Wikipedia

    en.wikipedia.org/wiki/Double_negation

    In propositional logic, the double negation of a statement states that "it is not the case that the statement is not true". In classical logic, every statement is logically equivalent to its double negation, but this is not true in intuitionistic logic; this can be expressed by the formula A ≡ ~(~A) where the sign ≡ expresses logical equivalence and the sign ~ expresses negation.

  9. Square of opposition - Wikipedia

    en.wikipedia.org/wiki/Square_of_opposition

    The A proposition, the universal affirmative (universalis affirmativa), whose form in Latin is 'omne S est P ', usually translated as 'every S is a P '. The E proposition, the universal negative (universalis negativa), Latin form 'nullum S est P ', usually translated as 'no S are P '.