Online Google Dictionary

negation 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/nəˈgāSHən/,
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negations, plural;
  1. The contradiction or denial of something
    • - there should be confirmation—or negation—of the findings
  2. Denial of the truth of a clause or sentence, typically involving the use of a negative word (e.g., not, no, never) or a word or affix with negative force (e.g., nothing, non-)

  3. A proposition whose assertion specifically denies the truth of another proposition
    • - the negation of A is, briefly, “not A.”
  4. Inversion
    • - these formulae and their negations
  5. The absence or opposite of something actual or positive
    • - evil is not merely the negation of goodness
  1. a negative statement; a statement that is a refusal or denial of some other statement
  2. the speech act of negating
  3. (logic) a proposition that is true if and only if another proposition is false
  4. Negation was a comic book series published from CrossGen. Tony Bedard was the writer for the entire run. Paul Pelletier was the artist for most of the issues, with an occasional fill-in artist taking an issue here and there.
  5. In rhetoric, where the role of the interpreter is taken into consideration as a non-negligible factor, negation bears a much wider range of functions and meanings than it does in logic, where the interpretation of signs for negation is constrained by axioms to a few standard options, typically ...
  6. The Negation is the third studio album released by the Polish technical death metal band Decapitated. It was released March 9, 2004 through Earache Records.
  7. Negative one times any number is equal to the opposite of that number.
  8. By clause (1) of the syntax, the negation sign ~ may only appear as prefixed to an atomic formula. Conceptually there is no reason for this restriction; clause (1) may be replaced by a clause laying it down that any formula φ of FO[τ] is a formula of IF first-order logic; while the rest of the ...
  9. A truth function that is true when its argument is false, and false when its argument is true (in 2-valued logics). Also the operator or connective denoting this function; also the proposition built from this operator. Notation: ~p, also ¬p, also, p with a bar on top. ...
  10. An operation or construction in which some proposition is said to be false. Negation involves the use of some negative item such as not, n't, nobody, nothing, never, etc. -- though most discussions of negation tend to be about the negative adverbs not/n't. See §5.7.
  11. [syntax,grammar] In a very general sense the process of denying something. There are many means of saying that something is not the case and most languages reflect this fact in their modes of expression for negation. ...
  12. a defence mechanism by means of which repressed life events may return to consciousness in a ‘negative’ form. A subject will thus refute their origin and reject any personal involvement with such occurrences.
  13. Denial; symbolized by the tilde or curl, ~p simply means “it is not the case that p” and may be read as “not-p.”
  14. The law that states that every proposition is either true or false. (Study 5)
  15. the opposite of the original statement.
  16. A sentence of any language which is a denial. For instance, any sentence of SL or PL with main connective tilde, or any English sentence of the form "It's not the case that ____".
  17. A truth-functional operation, symbolized by the truth-functional symbol "~" and usually translated "not."  The negation of a claim is true if and only if the claim is false.
  18. "Well, I can't tell you what it is, but I can tell you what it is not...." Definition by negation is an attempt to define either the contradictory or the contraries of a term: "The even numbers are those whole numbers that are evenly divisible by two, and the odd numbers [here comes the negation ...
  19. Not. Of a boolean, the other one.