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  2. Affirmation and negation - Wikipedia

    en.wikipedia.org/wiki/Affirmation_and_negation

    These pre-verb negatory particles can also be used to convey tense, mood, aspect, and polarity (negation), and in some cases can be used to convey more than one of these features. [10] For example, the negation marker ta can be used to indicate polarity and mood: Ta zo! (Do not run!), indicates negative imperative construction

  3. Closed-world assumption - Wikipedia

    en.wikipedia.org/wiki/Closed-world_assumption

    In the context of knowledge management, the closed-world assumption is used in at least two situations: (1) when the knowledge base is known to be complete (e.g., a corporate database containing records for every employee), and (2) when the knowledge base is known to be incomplete but a "best" definite answer must be derived from incomplete information.

  4. Negative inversion - Wikipedia

    en.wikipedia.org/wiki/Negative_inversion

    In linguistics, negative inversion is one of many types of subject–auxiliary inversion in English.A negation (e.g. not, no, never, nothing, etc.) or a word that implies negation (only, hardly, scarcely) or a phrase containing one of these words precedes the finite auxiliary verb necessitating that the subject and finite verb undergo inversion. [1]

  5. 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. Such statements are called "true contradictions", dialetheia, or ...

  6. Negative raising - Wikipedia

    en.wikipedia.org/wiki/Negative_raising

    In linguistics, negative raising is a phenomenon that concerns the raising of negation from the embedded or subordinate clause of certain predicates to the matrix or main clause. [1] The higher copy of the negation, in the matrix clause, is pronounced; but the semantic meaning is interpreted as though it were present in the embedded clause. [2]

  7. Jespersen's cycle - Wikipedia

    en.wikipedia.org/wiki/Jespersen's_Cycle

    An illustration of Jespersen's cycle in French. Jespersen's cycle is a series of processes in historical linguistics, which describe the historical development of the expression of negation in a variety of languages, from a simple pre-verbal marker of negation, through a discontinuous marker (elements both before and after the verb) and in some cases through subsequent loss of the original pre ...

  8. Propositional calculus - Wikipedia

    en.wikipedia.org/wiki/Propositional_calculus

    The propositional calculus [a] is a branch of logic. [1] It is also called propositional logic, [2] statement logic, [1] sentential calculus, [3] sentential logic, [4] [1] or sometimes zeroth-order logic. [b] [6] [7] [8] Sometimes, it is called first-order propositional logic [9] to contrast it with System F, but it should not be confused with ...

  9. Yes and no - Wikipedia

    en.wikipedia.org/wiki/Yes_and_no

    Benedick's answer of yea is a correct application of the rule, but as observed by W. A. Wright "Shakespeare does not always observe this rule, and even in the earliest times the usage appears not to have been consistent." Furness gives as an example the following, where Hermia's answer should, in following the rule, have been yes: [16] [17]