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  2. Affirmation and negation - Wikipedia

    en.wikipedia.org/wiki/Affirmation_and_negation

    An affirmative (positive) form is used to express the validity or truth of a basic assertion, while a negative form expresses its falsity. For example, the affirmative sentence "Joe is here" asserts that it is true that Joe is currently located near the speaker. Conversely, the negative sentence "Joe is not here" asserts that it is not true ...

  3. Polarity item - Wikipedia

    en.wikipedia.org/wiki/Polarity_item

    As can be seen, somewhat is licensed by the affirmative environment of sentence (1), but it is forbidden (anti-licensed) by the negative environment of sentence (4). [1] It can therefore be considered to be a positive polarity item (PPI).

  4. Yes and no - Wikipedia

    en.wikipedia.org/wiki/Yes_and_no

    In a three-form system, the affirmative response to a positively phrased question is the unmarked affirmative, the affirmative response to a negatively phrased question is the marked affirmative, and the negative response to both forms of question is the (single) negative. For example, in Norwegian the affirmative answer to "Snakker du norsk?"

  5. Categorical proposition - Wikipedia

    en.wikipedia.org/wiki/Categorical_proposition

    The two possible qualities are called affirmative and negative. [4] For instance, an A-proposition ("All S is P") is affirmative since it states that the subject is contained within the predicate. On the other hand, an O-proposition ("Some S is not P") is negative since it excludes the subject from the predicate.

  6. Logical quality - Wikipedia

    en.wikipedia.org/wiki/Logical_quality

    The logical quality of a proposition is whether it is affirmative (the predicate is affirmed of the subject) or negative (the predicate is denied of the subject). Thus "every man is a mortal" is affirmative, since "mortal" is affirmed of "man". "No men are immortals" is negative, since "immortal" is denied of "man". [1]

  7. Double negative - Wikipedia

    en.wikipedia.org/wiki/Double_negative

    A double negative is a construction occurring when two forms of grammatical negation are used in the same sentence. This is typically used to convey a different shade of meaning from a strictly positive sentence ("You're not unattractive" vs "You're attractive").

  8. Term logic - Wikipedia

    en.wikipedia.org/wiki/Term_logic

    The logical quality of a proposition is whether it is affirmative (the predicate is affirmed of the subject) or negative (the predicate is denied of the subject). Thus every philosopher is mortal is affirmative, since the mortality of philosophers is affirmed universally, whereas no philosopher is mortal is negative by denying such mortality in ...

  9. Yes–no question - Wikipedia

    en.wikipedia.org/wiki/Yes–no_question

    In linguistics, a yes–no question, also known as a binary question, a polar question, or a general question, [1] or closed-ended question is a question whose expected answer is one of two choices, one that provides an affirmative answer to the question versus one that provides a negative answer to the question.