negation

/nɪˈɡeɪʃən/
noun
  1. The act or process of making something ineffective or canceling it out.
    • The negation of the treaty led to renewed tensions between the countries.
    • The new policy resulted in the negation of all previous agreements.
    • Exercise can lead to the negation of some negative health effects of a poor diet.
  2. A statement that denies or contradicts something; a negative statement.
    • The witness's testimony was a direct negation of the defendant's claims.
    • His answer was a simple negation: 'No, that is not true.'
    • In grammar, adding 'not' creates a negation of the verb.
  3. In logic or mathematics, the operation of reversing the truth value or sign of a statement or number.
    • The negation of 'all birds can fly' is 'some birds cannot fly.'
    • The negation of a negative number results in a positive number.
    • In Boolean algebra, the negation of true is false.
What does "negation" mean? | whatsthatwordmean | whatsthatwordmean