Negation

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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}.
        [1913 Webster]
  
              Our assertions and negations should be yea and nay.
                                                    --Rogers.
        [1913 Webster]
  
     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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  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

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  141 Moby Thesaurus words for "negation":
     abnegation, abolishment, abolition, absence, annihilation,
     annulment, antagonism, argumentation, bucking, challenge, choking,
     choking off, clashing, conflict, contention, contradiction,
     contraposition, contravention, contraversion, controversy,
     counteraction, counterworking, crosscurrent, crossing, declension,
     declination, declinature, declining, denial, deprivation,
     deracination, difference, disaccord, disaccordance, disagreement,
     disallowance, disclaimer, disclamation, disconfirmation, discord,
     discordance, discordancy, discrepancy, disharmony, disobedience,
     disparity, disproof, disproval, disproving, dissension, dissent,
     dissidence, dissonance, disunion, disunity, divergence, diversity,
     elimination, emptiness, eradication, explosion, expose, exposure,
     extermination, extinction, extinguishment, extirpation, faction,
     gainsaying, head wind, holding back, impugnation, impugnment,
     inaccordance, inequality, invalidation, jarring, liquidation, nay,
     negative, negative answer, negativeness, negativity, nihility, nix,
     no, nonacceptance, nonbeing, noncompliance, nonconsent, nonentity,
     nonexistence, nonobservance, nonoccurrence, nonreality,
     nonsubsistence, not-being, nothingness, nullification, nullity,
     opposing, opposition, opposure, oppugnancy, oppugnation, purge,
     rebutment, rebuttal, recantation, redargution,
     reductio ad absurdum, refusal, rejection, repudiation, repugnance,
     resistance, retention, rooting out, silencing, snuffing out,
     standing against, stifling, strangulation, suffocation,
     suppression, thumbs-down, traversal, turndown, unactuality,
     undercurrent, unharmoniousness, unreality, unwillingness,
     uprooting, vacancy, vacuity, vacuum, variance, void, voiding,
     withholding
  
  

From Bouvier's Law Dictionary, Revised 6th Ed (1856) [bouvier]:

  NEGATION. Denial. Two negations are construed to mean one affirmation. Dig. 
  50, 16, 137.