2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Negation  \Ne*ga"tion\,  n.  [L.  negatio,  fr  negare  to  say  no  to 
  deny;  ne  not  +  the  root  of  aio  I  say  cf  Gr  ?,  Skr.  ah  to 
  say  cf  F.  n['e]gation.  See  {No},  adv.,  and  cf  {Adage}, 
  {Deny},  {Renegade}.] 
  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 
 
  From  WordNet  r  1.6  [wn]: 
 
  negation 
  n  1:  the  negative  of  the  opposition 
  2:  the  act  of  negating  [syn:  {negating}] 

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