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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

    An affirmation is a positive polarity item, abbreviated PPI or AFF. A negation is a negative polarity item , abbreviated NPI or NEG . The linguistic environment in which a polarity item appears is a licensing context .

  4. Affirmative - Wikipedia

    en.wikipedia.org/wiki/Affirmative

    Affirmative (linguistics), a positive (non-negated) sentence or clause; Affirmative (policy debate), the team which affirms the resolution; Affirmative action; See also

  5. Double negative - Wikipedia

    en.wikipedia.org/wiki/Double_negative

    This is typically used to convey a different shade of meaning from a strictly positive sentence ("You're not unattractive" vs "You're attractive"). Multiple negation is the more general term referring to the occurrence of more than one negative in a clause. In some languages, double negatives cancel one another and produce an affirmative; in ...

  6. Yes and no - Wikipedia

    en.wikipedia.org/wiki/Yes_and_no

    They are sometimes classified as a part of speech in their own right: sentence words or word sentences. [5] [6] [7] This is the position of Otto Jespersen, who states that " 'Yes' and 'No' ... are to all intents and purposes sentences just as much as the most delicately balanced sentences ever uttered by Demosthenes or penned by Samuel Johnson ...

  7. Sentiment analysis - Wikipedia

    en.wikipedia.org/wiki/Sentiment_analysis

    A basic task in sentiment analysis is classifying the polarity of a given text at the document, sentence, or feature/aspect level—whether the expressed opinion in a document, a sentence or an entity feature/aspect is positive, negative, or neutral. Advanced, "beyond polarity" sentiment classification looks, for instance, at emotional states ...

  8. Positivism - Wikipedia

    en.wikipedia.org/wiki/Positivism

    Positivism is a philosophical school that holds that all genuine knowledge is either true by definition or positive – meaning a posteriori facts derived by reason and logic from sensory experience. [1] [2] Other ways of knowing, such as intuition, introspection, or religious faith, are rejected or considered meaningless.

  9. Sentence function - Wikipedia

    en.wikipedia.org/wiki/Sentence_function

    Positive in linguistic terms refers to the degree of the quality of an adjective or adverb, while affirmative refers to the perceived validity of the entire sentence. Thus, all three terms being separate entities, an adjective or adverb can be in the positive degree but expressed in the negative, so that the sentence, This hummer does not seem ...