DICT.TW Dictionary Taiwan

 ne·ga·tion /nɪˈgeʃən/
 否定,拒絕,不存在

 negation
 否定; 反; 負; 非

 negation
 非 負

 Ne·ga·tion n.
 1. The act of denying; assertion of the nonreality or untruthfulness of anything; declaration that something is not, or has not been, or will not be; denial; -- the opposite of affirmation.
    Our assertions and negations should be yea and nay.   --Rogers.
 2. Logic Description or definition by denial, exclusion, or exception; statement of what a thing is not, or has not, from which may be inferred what it is or has.
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 negation
      n 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